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AUSCERT External Security Bulletin Redistribution
ESB-2019.3433
Important: kernel security and bug fix update
11 September 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: kernel
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Impact/Access: Increased Privileges -- Existing Account
Access Privileged Data -- Existing Account
Denial of Service -- Remote/Unauthenticated
Unauthorised Access -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-1125 CVE-2018-16884 CVE-2018-16871
CVE-2018-13405 CVE-2018-9568
Reference: ASB-2019.0229
ASB-2019.0002
ESB-2019.3430
ASB-2018.0295
Original Bulletin:
https://access.redhat.com/errata/RHSA-2019:2696
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Red Hat Security Advisory
Synopsis: Important: kernel security and bug fix update
Advisory ID: RHSA-2019:2696-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2696
Issue date: 2019-09-10
CVE Names: CVE-2018-9568 CVE-2018-13405 CVE-2018-16871
CVE-2018-16884 CVE-2019-1125
=====================================================================
1. Summary:
An update for kernel is now available for Red Hat Enterprise Linux 7.4
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. 7.4) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.4) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.4) - ppc64, ppc64le, x86_64
3. Description:
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* kernel: Memory corruption due to incorrect socket cloning (CVE-2018-9568)
* kernel: Missing check in fs/inode.c:inode_init_owner() does not clear
SGID bit on non-directories for non-members (CVE-2018-13405)
* kernel: nfs: use-after-free in svc_process_common() (CVE-2018-16884)
* kernel: nfs: NULL pointer dereference due to an anomalized NFS message
sequence (CVE-2018-16871)
* kernel: hw: Spectre SWAPGS gadget vulnerability (CVE-2019-1125)
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):
* fragmented packets timing out (BZ#1729411)
* kernel build: speed up debuginfo extraction (BZ#1731462)
* TCP packets are segmented when sent to the VM (TAP) (BZ#1732744)
* TCP packets are segmented when sent to the VLAN device when coming from
VXLAN dev. (BZ#1732809)
* skb head copy occurs when sending traffic over OVS managed VXLAN tunnel
(BZ#1733626)
* [mlx4] VXLAN over VLAN TCP segmentation (BZ#1734160)
* use "make -jN" for modules_install (BZ#1735081)
* shmem: consider shm_mnt as a long-term mount (BZ#1737376)
* [ESXi][RHEL7]use-after-free of scsi_cmnd on VMWare virtual guest with
vmw_pvscsi and ata_piix (BZ#1737377)
* Backport TCP follow-up for small buffers (BZ#1739127)
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/):
1599161 - CVE-2018-13405 kernel: Missing check in fs/inode.c:inode_init_owner() does not clear SGID bit on non-directories for non-members
1655162 - CVE-2018-16871 kernel: nfs: NULL pointer dereference due to an anomalized NFS message sequence
1655904 - CVE-2018-9568 kernel: Memory corruption due to incorrect socket cloning
1660375 - CVE-2018-16884 kernel: nfs: use-after-free in svc_process_common()
1724389 - CVE-2019-1125 kernel: hw: Spectre SWAPGS gadget vulnerability
6. Package List:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.4):
Source:
kernel-3.10.0-693.58.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-693.58.1.el7.noarch.rpm
kernel-doc-3.10.0-693.58.1.el7.noarch.rpm
x86_64:
kernel-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debug-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.58.1.el7.x86_64.rpm
kernel-devel-3.10.0-693.58.1.el7.x86_64.rpm
kernel-headers-3.10.0-693.58.1.el7.x86_64.rpm
kernel-tools-3.10.0-693.58.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-693.58.1.el7.x86_64.rpm
perf-3.10.0-693.58.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
python-perf-3.10.0-693.58.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4):
x86_64:
kernel-debug-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.58.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-693.58.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.4):
Source:
kernel-3.10.0-693.58.1.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-693.58.1.el7.noarch.rpm
kernel-doc-3.10.0-693.58.1.el7.noarch.rpm
ppc64:
kernel-3.10.0-693.58.1.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-693.58.1.el7.ppc64.rpm
kernel-debug-3.10.0-693.58.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-693.58.1.el7.ppc64.rpm
kernel-debug-devel-3.10.0-693.58.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-693.58.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-693.58.1.el7.ppc64.rpm
kernel-devel-3.10.0-693.58.1.el7.ppc64.rpm
kernel-headers-3.10.0-693.58.1.el7.ppc64.rpm
kernel-tools-3.10.0-693.58.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-693.58.1.el7.ppc64.rpm
kernel-tools-libs-3.10.0-693.58.1.el7.ppc64.rpm
perf-3.10.0-693.58.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-693.58.1.el7.ppc64.rpm
python-perf-3.10.0-693.58.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-693.58.1.el7.ppc64.rpm
ppc64le:
kernel-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-debug-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-devel-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-headers-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-tools-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-693.58.1.el7.ppc64le.rpm
perf-3.10.0-693.58.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-693.58.1.el7.ppc64le.rpm
python-perf-3.10.0-693.58.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-693.58.1.el7.ppc64le.rpm
s390x:
kernel-3.10.0-693.58.1.el7.s390x.rpm
kernel-debug-3.10.0-693.58.1.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-693.58.1.el7.s390x.rpm
kernel-debug-devel-3.10.0-693.58.1.el7.s390x.rpm
kernel-debuginfo-3.10.0-693.58.1.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-693.58.1.el7.s390x.rpm
kernel-devel-3.10.0-693.58.1.el7.s390x.rpm
kernel-headers-3.10.0-693.58.1.el7.s390x.rpm
kernel-kdump-3.10.0-693.58.1.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-693.58.1.el7.s390x.rpm
kernel-kdump-devel-3.10.0-693.58.1.el7.s390x.rpm
perf-3.10.0-693.58.1.el7.s390x.rpm
perf-debuginfo-3.10.0-693.58.1.el7.s390x.rpm
python-perf-3.10.0-693.58.1.el7.s390x.rpm
python-perf-debuginfo-3.10.0-693.58.1.el7.s390x.rpm
x86_64:
kernel-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debug-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.58.1.el7.x86_64.rpm
kernel-devel-3.10.0-693.58.1.el7.x86_64.rpm
kernel-headers-3.10.0-693.58.1.el7.x86_64.rpm
kernel-tools-3.10.0-693.58.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-693.58.1.el7.x86_64.rpm
perf-3.10.0-693.58.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
python-perf-3.10.0-693.58.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.4):
ppc64:
kernel-debug-debuginfo-3.10.0-693.58.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-693.58.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-693.58.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-693.58.1.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-693.58.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-693.58.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-693.58.1.el7.ppc64.rpm
ppc64le:
kernel-debug-debuginfo-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-693.58.1.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-693.58.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-693.58.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-693.58.1.el7.ppc64le.rpm
x86_64:
kernel-debug-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.58.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-693.58.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.58.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.58.1.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-2018-9568
https://access.redhat.com/security/cve/CVE-2018-13405
https://access.redhat.com/security/cve/CVE-2018-16871
https://access.redhat.com/security/cve/CVE-2018-16884
https://access.redhat.com/security/cve/CVE-2019-1125
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/articles/4329821
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2019 Red Hat, Inc.
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