Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2023.3655
kernel security, bug fix, and enhancement update
28 June 2023
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Linux kernel
Publisher: Red Hat
Operating System: Red Hat
Resolution: Patch/Upgrade
CVE Names: CVE-2023-28466
Original Bulletin:
https://access.redhat.com/errata/RHSA-2023:3847
Comment: CVSS (Max): 7.0 CVE-2023-28466 (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: Red Hat
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
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=====================================================================
Red Hat Security Advisory
Synopsis: Moderate: kernel security, bug fix, and enhancement update
Advisory ID: RHSA-2023:3847-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:3847
Issue date: 2023-06-27
CVE Names: CVE-2023-28466
=====================================================================
1. Summary:
An update for kernel is now available for Red Hat Enterprise Linux 8.
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 BaseOS (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Enterprise Linux CRB (v. 8) - aarch64, ppc64le, x86_64
3. Description:
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* kernel: tls: race condition in do_tls_getsockopt may lead to
use-after-free or NULL pointer dereference (CVE-2023-28466)
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):
* RPL-P IOTG/RPL-S IOTG: cpu frequency issues (BZ#2179332)
* iscsi target deadlocks when the same host acts as an initiator to itself
(i.e. connects via 127.0.0.1) (BZ#2182092)
* HPEMC RHEL 8 REGRESSION: acpi-cpufreq: Skip initialization if a cpufreq
driver exists (BZ#2186305)
* kernel[-rt]: task deadline_test:2526 blocked for more than 600 seconds.
(BZ#2188623)
* Dying percpu kworkers cause issues on isolated CPUs [rhel-8] (BZ#2189595)
* block layer: cherry pick recent upstream fixes (up to v6.3-rc1) for 8.9
(BZ#2193236)
* xfs: deadlock in xfs_btree_split_worker (BZ#2196390)
* RHEL 8.9 hwpoison: data loss when memory error occurs on hugetlb
pagecache (BZ#2196665)
* Intel E810 card unable to create a MACVLAN on interface already
configured as SRIOV (BZ#2203214)
* mlxsw: kselftest case
- - -usr-libexec-kselftests-drivers-net-mlxsw-devlink-trap-policer-sh trigger
call trace (BZ#2207564)
* Invalid character detected by rpminspect in
Documentation/translations/zh_CN/process/magic-number.rst (BZ#2208284)
Enhancement(s):
* Intel 8.9 FEAT SPR power: Intel SST SNC4 support (BZ#2185604)
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/):
2179000 - CVE-2023-28466 kernel: tls: race condition in do_tls_getsockopt may lead to use-after-free or NULL pointer dereference
6. Package List:
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
kernel-4.18.0-477.15.1.el8_8.src.rpm
aarch64:
bpftool-4.18.0-477.15.1.el8_8.aarch64.rpm
bpftool-debuginfo-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-core-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-cross-headers-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-debug-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-debug-core-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-debug-debuginfo-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-debug-devel-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-debug-modules-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-debug-modules-extra-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-debuginfo-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-devel-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-headers-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-modules-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-modules-extra-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-tools-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-tools-debuginfo-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-tools-libs-4.18.0-477.15.1.el8_8.aarch64.rpm
perf-4.18.0-477.15.1.el8_8.aarch64.rpm
perf-debuginfo-4.18.0-477.15.1.el8_8.aarch64.rpm
python3-perf-4.18.0-477.15.1.el8_8.aarch64.rpm
python3-perf-debuginfo-4.18.0-477.15.1.el8_8.aarch64.rpm
noarch:
kernel-abi-stablelists-4.18.0-477.15.1.el8_8.noarch.rpm
kernel-doc-4.18.0-477.15.1.el8_8.noarch.rpm
ppc64le:
bpftool-4.18.0-477.15.1.el8_8.ppc64le.rpm
bpftool-debuginfo-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-core-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-cross-headers-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-debug-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-debug-core-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-debug-devel-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-debug-modules-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-debuginfo-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-devel-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-headers-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-modules-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-modules-extra-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-tools-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-tools-libs-4.18.0-477.15.1.el8_8.ppc64le.rpm
perf-4.18.0-477.15.1.el8_8.ppc64le.rpm
perf-debuginfo-4.18.0-477.15.1.el8_8.ppc64le.rpm
python3-perf-4.18.0-477.15.1.el8_8.ppc64le.rpm
python3-perf-debuginfo-4.18.0-477.15.1.el8_8.ppc64le.rpm
s390x:
bpftool-4.18.0-477.15.1.el8_8.s390x.rpm
bpftool-debuginfo-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-core-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-cross-headers-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-debug-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-debug-core-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-debug-debuginfo-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-debug-devel-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-debug-modules-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-debug-modules-extra-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-debuginfo-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-devel-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-headers-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-modules-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-modules-extra-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-tools-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-tools-debuginfo-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-zfcpdump-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-zfcpdump-core-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-zfcpdump-devel-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-zfcpdump-modules-4.18.0-477.15.1.el8_8.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-477.15.1.el8_8.s390x.rpm
perf-4.18.0-477.15.1.el8_8.s390x.rpm
perf-debuginfo-4.18.0-477.15.1.el8_8.s390x.rpm
python3-perf-4.18.0-477.15.1.el8_8.s390x.rpm
python3-perf-debuginfo-4.18.0-477.15.1.el8_8.s390x.rpm
x86_64:
bpftool-4.18.0-477.15.1.el8_8.x86_64.rpm
bpftool-debuginfo-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-core-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-cross-headers-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-debug-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-debug-core-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-debug-debuginfo-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-debug-devel-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-debug-modules-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-debug-modules-extra-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-debuginfo-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-devel-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-headers-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-modules-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-modules-extra-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-tools-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-tools-debuginfo-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-tools-libs-4.18.0-477.15.1.el8_8.x86_64.rpm
perf-4.18.0-477.15.1.el8_8.x86_64.rpm
perf-debuginfo-4.18.0-477.15.1.el8_8.x86_64.rpm
python3-perf-4.18.0-477.15.1.el8_8.x86_64.rpm
python3-perf-debuginfo-4.18.0-477.15.1.el8_8.x86_64.rpm
Red Hat Enterprise Linux CRB (v. 8):
aarch64:
bpftool-debuginfo-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-debug-debuginfo-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-debuginfo-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-tools-debuginfo-4.18.0-477.15.1.el8_8.aarch64.rpm
kernel-tools-libs-devel-4.18.0-477.15.1.el8_8.aarch64.rpm
perf-debuginfo-4.18.0-477.15.1.el8_8.aarch64.rpm
python3-perf-debuginfo-4.18.0-477.15.1.el8_8.aarch64.rpm
ppc64le:
bpftool-debuginfo-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-debuginfo-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-477.15.1.el8_8.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-477.15.1.el8_8.ppc64le.rpm
perf-debuginfo-4.18.0-477.15.1.el8_8.ppc64le.rpm
python3-perf-debuginfo-4.18.0-477.15.1.el8_8.ppc64le.rpm
x86_64:
bpftool-debuginfo-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-debug-debuginfo-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-debuginfo-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-tools-debuginfo-4.18.0-477.15.1.el8_8.x86_64.rpm
kernel-tools-libs-devel-4.18.0-477.15.1.el8_8.x86_64.rpm
perf-debuginfo-4.18.0-477.15.1.el8_8.x86_64.rpm
python3-perf-debuginfo-4.18.0-477.15.1.el8_8.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-2023-28466
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 2023 Red Hat, Inc.
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