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AUSCERT External Security Bulletin Redistribution
ESB-2020.1340
kernel security, bug fix, and enhancement update
16 April 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: kernel
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Reduced Security -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-19338 CVE-2019-17666 CVE-2019-11135
Reference: ESB-2020.1248
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:1465
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Red Hat Security Advisory
Synopsis: Important: kernel security, bug fix, and enhancement update
Advisory ID: RHSA-2020:1465-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1465
Issue date: 2020-04-14
CVE Names: CVE-2019-17666 CVE-2019-19338
=====================================================================
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: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in
the Linux kernel lacks a certain upper-bound check, leading to a buffer
overflow (CVE-2019-17666)
* Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA
(CVE-2019-11135) (CVE-2019-19338)
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):
* Slow console output with ast (Aspeed) graphics driver (BZ#1780146)
* VFS: Busy inodes after unmount of loop0 when encountering duplicate
directory inodes (BZ#1781158)
* RHEL 7.7 long I/O stalls with bnx2fc from not masking off scope bits of
retry delay value (BZ#1795648)
* System Crash on vport creation (NPIV on FCoE) (BZ#1796363)
* A directory on a gfs2 filesystem appears corrupt on nodeB after nodeA
renames the directory (BZ#1796430)
* [GSS] Can't access the mount point due to possible blocking of i/o on rbd
(BZ#1796434)
* [xfstests]: copy_file_range cause corruption on rhel-7 (BZ#1797966)
* port show-kabi to python3 (BZ#1806928)
* top shows super high loads when tuned profile realtime-virtual-host is
applied (BZ#1808028)
Enhancement(s):
* scsi: qla2xxx: Fix panic in qla_dfs_tgt_counters_show' (BZ#1791594)
* [Cavium 7.7 Feat] qla2xxx: Update to latest upstream. (BZ#1797503)
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/):
1763690 - CVE-2019-17666 kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/
rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a
buffer overflow
1781514 - CVE-2019-19338 Kernel: KVM: export MSR_IA32_TSX_CTRL to guest -
incomplete fix for TAA (CVE-2019-11135)
6. Package List:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6):
Source:
kernel-3.10.0-957.48.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-957.48.1.el7.noarch.rpm
kernel-doc-3.10.0-957.48.1.el7.noarch.rpm
x86_64:
bpftool-3.10.0-957.48.1.el7.x86_64.rpm
kernel-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debug-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.48.1.el7.x86_64.rpm
kernel-devel-3.10.0-957.48.1.el7.x86_64.rpm
kernel-headers-3.10.0-957.48.1.el7.x86_64.rpm
kernel-tools-3.10.0-957.48.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.48.1.el7.x86_64.rpm
perf-3.10.0-957.48.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
python-perf-3.10.0-957.48.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6):
x86_64:
kernel-debug-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.48.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.48.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.6):
Source:
kernel-3.10.0-957.48.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-957.48.1.el7.noarch.rpm
kernel-doc-3.10.0-957.48.1.el7.noarch.rpm
ppc64:
kernel-3.10.0-957.48.1.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-957.48.1.el7.ppc64.rpm
kernel-debug-3.10.0-957.48.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-957.48.1.el7.ppc64.rpm
kernel-debug-devel-3.10.0-957.48.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-957.48.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-957.48.1.el7.ppc64.rpm
kernel-devel-3.10.0-957.48.1.el7.ppc64.rpm
kernel-headers-3.10.0-957.48.1.el7.ppc64.rpm
kernel-tools-3.10.0-957.48.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-957.48.1.el7.ppc64.rpm
kernel-tools-libs-3.10.0-957.48.1.el7.ppc64.rpm
perf-3.10.0-957.48.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-957.48.1.el7.ppc64.rpm
python-perf-3.10.0-957.48.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-957.48.1.el7.ppc64.rpm
ppc64le:
kernel-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-debug-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-devel-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-headers-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-tools-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-957.48.1.el7.ppc64le.rpm
perf-3.10.0-957.48.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-957.48.1.el7.ppc64le.rpm
python-perf-3.10.0-957.48.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-957.48.1.el7.ppc64le.rpm
s390x:
kernel-3.10.0-957.48.1.el7.s390x.rpm
kernel-debug-3.10.0-957.48.1.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-957.48.1.el7.s390x.rpm
kernel-debug-devel-3.10.0-957.48.1.el7.s390x.rpm
kernel-debuginfo-3.10.0-957.48.1.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-957.48.1.el7.s390x.rpm
kernel-devel-3.10.0-957.48.1.el7.s390x.rpm
kernel-headers-3.10.0-957.48.1.el7.s390x.rpm
kernel-kdump-3.10.0-957.48.1.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-957.48.1.el7.s390x.rpm
kernel-kdump-devel-3.10.0-957.48.1.el7.s390x.rpm
perf-3.10.0-957.48.1.el7.s390x.rpm
perf-debuginfo-3.10.0-957.48.1.el7.s390x.rpm
python-perf-3.10.0-957.48.1.el7.s390x.rpm
python-perf-debuginfo-3.10.0-957.48.1.el7.s390x.rpm
x86_64:
bpftool-3.10.0-957.48.1.el7.x86_64.rpm
kernel-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debug-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.48.1.el7.x86_64.rpm
kernel-devel-3.10.0-957.48.1.el7.x86_64.rpm
kernel-headers-3.10.0-957.48.1.el7.x86_64.rpm
kernel-tools-3.10.0-957.48.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.48.1.el7.x86_64.rpm
perf-3.10.0-957.48.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
python-perf-3.10.0-957.48.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.6):
ppc64:
kernel-debug-debuginfo-3.10.0-957.48.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-957.48.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-957.48.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-957.48.1.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-957.48.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-957.48.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-957.48.1.el7.ppc64.rpm
ppc64le:
kernel-debug-debuginfo-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-957.48.1.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-957.48.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-957.48.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-957.48.1.el7.ppc64le.rpm
x86_64:
kernel-debug-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.48.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.48.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.48.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.48.1.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-2019-17666
https://access.redhat.com/security/cve/CVE-2019-19338
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 2020 Red Hat, Inc.
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