Protect yourself against future threats.
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===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2021.0924
kernel security update
17 March 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: kernel
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Increased Privileges -- Existing Account
Overwrite Arbitrary Files -- Remote/Unauthenticated
Denial of Service -- Existing Account
Access Confidential Data -- Remote/Unauthenticated
Read-only Data Access -- Existing Account
Reduced Security -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-20265 CVE-2020-29661 CVE-2020-28374
CVE-2020-25705 CVE-2020-25656 CVE-2020-25645
CVE-2020-25212 CVE-2020-25211 CVE-2020-24394
CVE-2020-14351 CVE-2020-7053 CVE-2020-0427
CVE-2019-19532
Reference: ESB-2021.0864
ESB-2021.0839
ESB-2020.4219
Original Bulletin:
https://access.redhat.com/errata/RHSA-2021:0848
https://access.redhat.com/errata/RHSA-2021:0856
https://access.redhat.com/errata/RHSA-2021:0878
Comment: This bulletin contains three (3) Red Hat security advisories.
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Red Hat Security Advisory
Synopsis: Moderate: kernel security update
Advisory ID: RHSA-2021:0848-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0848
Issue date: 2021-03-16
CVE Names: CVE-2020-14351
=====================================================================
1. Summary:
An update for kernel is now available for Red Hat Enterprise Linux 7.3
Advanced Update Support.
Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Server AUS (v. 7.3) - noarch, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 7.3) - x86_64
3. Description:
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* kernel: performance counters race condition use-after-free
(CVE-2020-14351)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
4. Solution:
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
5. Bugs fixed (https://bugzilla.redhat.com/):
1862849 - CVE-2020-14351 kernel: performance counters race condition use-after-free
6. Package List:
Red Hat Enterprise Linux Server AUS (v. 7.3):
Source:
kernel-3.10.0-514.86.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-514.86.1.el7.noarch.rpm
kernel-doc-3.10.0-514.86.1.el7.noarch.rpm
x86_64:
kernel-3.10.0-514.86.1.el7.x86_64.rpm
kernel-debug-3.10.0-514.86.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-514.86.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-514.86.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-514.86.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-514.86.1.el7.x86_64.rpm
kernel-devel-3.10.0-514.86.1.el7.x86_64.rpm
kernel-headers-3.10.0-514.86.1.el7.x86_64.rpm
kernel-tools-3.10.0-514.86.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-514.86.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-514.86.1.el7.x86_64.rpm
perf-3.10.0-514.86.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-514.86.1.el7.x86_64.rpm
python-perf-3.10.0-514.86.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-514.86.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional AUS (v. 7.3):
x86_64:
kernel-debug-debuginfo-3.10.0-514.86.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-514.86.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-514.86.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-514.86.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-514.86.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-514.86.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-514.86.1.el7.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2020-14351
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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=====================================================================
Red Hat Security Advisory
Synopsis: Important: kernel security and bug fix update
Advisory ID: RHSA-2021:0856-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0856
Issue date: 2021-03-16
CVE Names: CVE-2019-19532 CVE-2020-0427 CVE-2020-7053
CVE-2020-14351 CVE-2020-25211 CVE-2020-25645
CVE-2020-25656 CVE-2020-25705 CVE-2020-28374
CVE-2020-29661 CVE-2021-20265
=====================================================================
1. Summary:
An update for kernel is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Client (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
3. Description:
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in
net/netfilter/nf_conntrack_netlink.c (CVE-2020-25211)
* kernel: SCSI target (LIO) write to any block on ILO backstore
(CVE-2020-28374)
* kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an
use-after-free (CVE-2020-29661)
* kernel: malicious USB devices can lead to multiple out-of-bounds write
(CVE-2019-19532)
* kernel: out-of-bounds reads in pinctrl subsystem. (CVE-2020-0427)
* kernel: use-after-free in i915_ppgtt_close in
drivers/gpu/drm/i915/i915_gem_gtt.c (CVE-2020-7053)
* kernel: performance counters race condition use-after-free
(CVE-2020-14351)
* kernel: Geneve/IPsec traffic may be unencrypted between two Geneve
endpoints (CVE-2020-25645)
* kernel: use-after-free in read in vt_do_kdgkb_ioctl (CVE-2020-25656)
* kernel: ICMP rate limiting can be used for DNS poisoning attack
(CVE-2020-25705)
* kernel: increase slab leak leads to DoS (CVE-2021-20265)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
Bug Fix(es):
* BUG: scheduling while atomic: memory allocation under spinlock in
scsi_register_device_handler() (BZ#1619147)
* WARNING in __iscsit_free_cmd during recovery Abort (BZ#1784540)
* lpfc does not issue adisc to fcp-2 devices, does not respond to nvme
targer that send an adisc. (BZ#1875961)
* Panic in semctl_nolock.constprop.15+0x25b (BZ#1877264)
* [RHEL 7.7][md]Crash due to invalid pool workqueue pointer, work queue
race (BZ#1889372)
* Guest crash on intel CPU with -cpu host,-spec-ctrl,+ibpb (BZ#1890669)
* RHEL7.9 - kernel/uv: handle length extension properly (BZ#1899172)
* Commit b144f013fc16a06d7a4b9a4be668a3583fafeda2 'i40e: don't report link
up for a VF who hasn't enabled queues' introducing issues with VM using
DPDK (BZ#1901064)
* writing to /sys/devices/(...)/net/eno49/queues/tx-16/xps_cpus triggers
kernel panic (BZ#1903819)
* [Hyper-V][RHEL-7.9]video: hyperv_fb: Fix the cache type when mapping the
VRAM Edit (BZ#1908896)
* kvm-rhel7.9 [AMD] - system crash observed while powering on virtual
machine with attached VF interfaces. (BZ#1909036)
* kernel: nvme nvme7: Connect command failed, error wo/DNR bit: 2
(BZ#1910817)
* dm-mirror crashes from assuming underlying storage will have a non-NULL
merge_bvec_fn (BZ#1916407)
* watchdog: use nmi registers snapshot in hardlockup handler (BZ#1916589)
* [DELL EMC 7.9 BUG] - Intel E810 NIC interfaces are not functional in RHEL
7.9 on system with AMD Rome CPUs (BZ#1918273)
* [DELL EMC BUG] RHEL system log shows AMD-Vi error when system connected
with Gen 4 NVMe drives. (BZ#1921187)
4. Solution:
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
5. Bugs fixed (https://bugzilla.redhat.com/):
1781821 - CVE-2019-19532 kernel: malicious USB devices can lead to multiple out-of-bounds write
1795624 - CVE-2020-7053 kernel: use-after-free in i915_ppgtt_close in drivers/gpu/drm/i915/i915_gem_gtt.c
1862849 - CVE-2020-14351 kernel: performance counters race condition use-after-free
1877571 - CVE-2020-25211 kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c
1883988 - CVE-2020-25645 kernel: Geneve/IPsec traffic may be unencrypted between two Geneve endpoints
1888726 - CVE-2020-25656 kernel: use-after-free in read in vt_do_kdgkb_ioctl
1894579 - CVE-2020-25705 kernel: ICMP rate limiting can be used for DNS poisoning attack
1899804 - CVE-2020-28374 kernel: SCSI target (LIO) write to any block on ILO backstore
1901064 - Commit b144f013fc16a06d7a4b9a4be668a3583fafeda2 'i40e: don't report link up for a VF who hasn't enabled queues' introducing issues with VM using DPDK
1906525 - CVE-2020-29661 kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free
1908827 - CVE-2021-20265 kernel: increase slab leak leads to DoS
1916589 - watchdog: use nmi registers snapshot in hardlockup handler
1919893 - CVE-2020-0427 kernel: out-of-bounds reads in pinctrl subsystem.
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
kernel-3.10.0-1160.21.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-1160.21.1.el7.noarch.rpm
kernel-doc-3.10.0-1160.21.1.el7.noarch.rpm
x86_64:
bpftool-3.10.0-1160.21.1.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-devel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-headers-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1160.21.1.el7.x86_64.rpm
perf-3.10.0-1160.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64:
bpftool-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1160.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
kernel-3.10.0-1160.21.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-1160.21.1.el7.noarch.rpm
kernel-doc-3.10.0-1160.21.1.el7.noarch.rpm
x86_64:
bpftool-3.10.0-1160.21.1.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-devel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-headers-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1160.21.1.el7.x86_64.rpm
perf-3.10.0-1160.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64:
bpftool-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1160.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
kernel-3.10.0-1160.21.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-1160.21.1.el7.noarch.rpm
kernel-doc-3.10.0-1160.21.1.el7.noarch.rpm
ppc64:
bpftool-3.10.0-1160.21.1.el7.ppc64.rpm
bpftool-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-debug-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-debug-devel-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-devel-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-headers-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-tools-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-tools-libs-3.10.0-1160.21.1.el7.ppc64.rpm
perf-3.10.0-1160.21.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
python-perf-3.10.0-1160.21.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
ppc64le:
bpftool-3.10.0-1160.21.1.el7.ppc64le.rpm
bpftool-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-debug-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-devel-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-headers-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-tools-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-1160.21.1.el7.ppc64le.rpm
perf-3.10.0-1160.21.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
python-perf-3.10.0-1160.21.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
s390x:
bpftool-3.10.0-1160.21.1.el7.s390x.rpm
bpftool-debuginfo-3.10.0-1160.21.1.el7.s390x.rpm
kernel-3.10.0-1160.21.1.el7.s390x.rpm
kernel-debug-3.10.0-1160.21.1.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.s390x.rpm
kernel-debug-devel-3.10.0-1160.21.1.el7.s390x.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-1160.21.1.el7.s390x.rpm
kernel-devel-3.10.0-1160.21.1.el7.s390x.rpm
kernel-headers-3.10.0-1160.21.1.el7.s390x.rpm
kernel-kdump-3.10.0-1160.21.1.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-1160.21.1.el7.s390x.rpm
kernel-kdump-devel-3.10.0-1160.21.1.el7.s390x.rpm
perf-3.10.0-1160.21.1.el7.s390x.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.s390x.rpm
python-perf-3.10.0-1160.21.1.el7.s390x.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.s390x.rpm
x86_64:
bpftool-3.10.0-1160.21.1.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-devel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-headers-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1160.21.1.el7.x86_64.rpm
perf-3.10.0-1160.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64:
bpftool-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-1160.21.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
ppc64le:
bpftool-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-1160.21.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
x86_64:
bpftool-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1160.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
kernel-3.10.0-1160.21.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-1160.21.1.el7.noarch.rpm
kernel-doc-3.10.0-1160.21.1.el7.noarch.rpm
x86_64:
bpftool-3.10.0-1160.21.1.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-devel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-headers-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1160.21.1.el7.x86_64.rpm
perf-3.10.0-1160.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
bpftool-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1160.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2019-19532
https://access.redhat.com/security/cve/CVE-2020-0427
https://access.redhat.com/security/cve/CVE-2020-7053
https://access.redhat.com/security/cve/CVE-2020-14351
https://access.redhat.com/security/cve/CVE-2020-25211
https://access.redhat.com/security/cve/CVE-2020-25645
https://access.redhat.com/security/cve/CVE-2020-25656
https://access.redhat.com/security/cve/CVE-2020-25705
https://access.redhat.com/security/cve/CVE-2020-28374
https://access.redhat.com/security/cve/CVE-2020-29661
https://access.redhat.com/security/cve/CVE-2021-20265
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Important: kernel security, bug fix, and enhancement update
Advisory ID: RHSA-2021:0878-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0878
Issue date: 2021-03-16
CVE Names: CVE-2020-14351 CVE-2020-24394 CVE-2020-25212
CVE-2020-29661
=====================================================================
1. Summary:
An update for kernel is now available for Red Hat Enterprise Linux 7.6
Extended Update Support.
Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.6) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.6) - ppc64, ppc64le, x86_64
3. Description:
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an
use-after-free (CVE-2020-29661)
* kernel: performance counters race condition use-after-free
(CVE-2020-14351)
* kernel: umask not applied on filesystem without ACL support
(CVE-2020-24394)
* kernel: TOCTOU mismatch in the NFS client code (CVE-2020-25212)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
Bug Fix(es):
* Security patch for CVE-2020-25212 breaks directory listings via 'ls' on
NFS V4.2 shares mounted with selinux enabled labels (BZ#1919144)
* Enable CI and changelog for GitLab workflow (BZ#1930931)
Enhancement(s):
* [Cavium 7.7 Feat] qla2xxx: Update to latest upstream. (BZ#1918534)
4. Solution:
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
5. Bugs fixed (https://bugzilla.redhat.com/):
1862849 - CVE-2020-14351 kernel: performance counters race condition use-after-free
1869141 - CVE-2020-24394 kernel: umask not applied on filesystem without ACL support
1877575 - CVE-2020-25212 kernel: TOCTOU mismatch in the NFS client code
1906525 - CVE-2020-29661 kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free
6. Package List:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6):
Source:
kernel-3.10.0-957.70.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-957.70.1.el7.noarch.rpm
kernel-doc-3.10.0-957.70.1.el7.noarch.rpm
x86_64:
bpftool-3.10.0-957.70.1.el7.x86_64.rpm
kernel-3.10.0-957.70.1.el7.x86_64.rpm
kernel-debug-3.10.0-957.70.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.70.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.70.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.70.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.70.1.el7.x86_64.rpm
kernel-devel-3.10.0-957.70.1.el7.x86_64.rpm
kernel-headers-3.10.0-957.70.1.el7.x86_64.rpm
kernel-tools-3.10.0-957.70.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.70.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.70.1.el7.x86_64.rpm
perf-3.10.0-957.70.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.70.1.el7.x86_64.rpm
python-perf-3.10.0-957.70.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.70.1.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6):
x86_64:
kernel-debug-debuginfo-3.10.0-957.70.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.70.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.70.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.70.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.70.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.70.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.70.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.6):
Source:
kernel-3.10.0-957.70.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-957.70.1.el7.noarch.rpm
kernel-doc-3.10.0-957.70.1.el7.noarch.rpm
ppc64:
kernel-3.10.0-957.70.1.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-957.70.1.el7.ppc64.rpm
kernel-debug-3.10.0-957.70.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-957.70.1.el7.ppc64.rpm
kernel-debug-devel-3.10.0-957.70.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-957.70.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-957.70.1.el7.ppc64.rpm
kernel-devel-3.10.0-957.70.1.el7.ppc64.rpm
kernel-headers-3.10.0-957.70.1.el7.ppc64.rpm
kernel-tools-3.10.0-957.70.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-957.70.1.el7.ppc64.rpm
kernel-tools-libs-3.10.0-957.70.1.el7.ppc64.rpm
perf-3.10.0-957.70.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-957.70.1.el7.ppc64.rpm
python-perf-3.10.0-957.70.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-957.70.1.el7.ppc64.rpm
ppc64le:
kernel-3.10.0-957.70.1.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-957.70.1.el7.ppc64le.rpm
kernel-debug-3.10.0-957.70.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-957.70.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-957.70.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-957.70.1.el7.ppc64le.rpm
kernel-devel-3.10.0-957.70.1.el7.ppc64le.rpm
kernel-headers-3.10.0-957.70.1.el7.ppc64le.rpm
kernel-tools-3.10.0-957.70.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-957.70.1.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-957.70.1.el7.ppc64le.rpm
perf-3.10.0-957.70.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-957.70.1.el7.ppc64le.rpm
python-perf-3.10.0-957.70.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-957.70.1.el7.ppc64le.rpm
s390x:
kernel-3.10.0-957.70.1.el7.s390x.rpm
kernel-debug-3.10.0-957.70.1.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-957.70.1.el7.s390x.rpm
kernel-debug-devel-3.10.0-957.70.1.el7.s390x.rpm
kernel-debuginfo-3.10.0-957.70.1.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-957.70.1.el7.s390x.rpm
kernel-devel-3.10.0-957.70.1.el7.s390x.rpm
kernel-headers-3.10.0-957.70.1.el7.s390x.rpm
kernel-kdump-3.10.0-957.70.1.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-957.70.1.el7.s390x.rpm
kernel-kdump-devel-3.10.0-957.70.1.el7.s390x.rpm
perf-3.10.0-957.70.1.el7.s390x.rpm
perf-debuginfo-3.10.0-957.70.1.el7.s390x.rpm
python-perf-3.10.0-957.70.1.el7.s390x.rpm
python-perf-debuginfo-3.10.0-957.70.1.el7.s390x.rpm
x86_64:
bpftool-3.10.0-957.70.1.el7.x86_64.rpm
kernel-3.10.0-957.70.1.el7.x86_64.rpm
kernel-debug-3.10.0-957.70.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.70.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.70.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.70.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.70.1.el7.x86_64.rpm
kernel-devel-3.10.0-957.70.1.el7.x86_64.rpm
kernel-headers-3.10.0-957.70.1.el7.x86_64.rpm
kernel-tools-3.10.0-957.70.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.70.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.70.1.el7.x86_64.rpm
perf-3.10.0-957.70.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.70.1.el7.x86_64.rpm
python-perf-3.10.0-957.70.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.70.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.6):
ppc64:
kernel-debug-debuginfo-3.10.0-957.70.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-957.70.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-957.70.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-957.70.1.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-957.70.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-957.70.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-957.70.1.el7.ppc64.rpm
ppc64le:
kernel-debug-debuginfo-3.10.0-957.70.1.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-957.70.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-957.70.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-957.70.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-957.70.1.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-957.70.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-957.70.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-957.70.1.el7.ppc64le.rpm
x86_64:
kernel-debug-debuginfo-3.10.0-957.70.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.70.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.70.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.70.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.70.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.70.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.70.1.el7.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2020-14351
https://access.redhat.com/security/cve/CVE-2020-24394
https://access.redhat.com/security/cve/CVE-2020-25212
https://access.redhat.com/security/cve/CVE-2020-29661
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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Australian Computer Emergency Response Team
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Internet Email: auscert@auscert.org.au
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