Protect yourself against future threats.
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2024.2543
kernel security and bug fix update
26 April 2024
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: kernel
Publisher: Red Hat
Operating System: Red Hat
Resolution: Patch/Upgrade
CVE Names: CVE-2023-4459 CVE-2023-1192 CVE-2024-26586
CVE-2023-3812 CVE-2024-26602 CVE-2023-7192
CVE-2021-46915
Original Bulletin:
https://access.redhat.com/errata/RHSA-2024:2006
Comment: CVSS (Max): 7.8 CVE-2023-3812 (CVSS:3.1/AV:L/AC:L/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:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- --------------------------BEGIN INCLUDED TEXT--------------------
=====================================================================
Red Hat Security Advisory
Synopsis: Important: kernel security and bug fix update
Advisory ID: RHSA-2024:2006
Product: Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
Advisory URL: https://access.redhat.com/errata/RHSA-2024:2006
Issue date: 2024-04-23
CVE Names: CVE-2021-46915 CVE-2023-1192 CVE-2023-3812 CVE-2023-4459
CVE-2023-7192 CVE-2024-26586 CVE-2024-26602
=====================================================================
1. Summary:
An update for kernel is now available for Red Hat Enterprise Linux 8.2 Advanced
Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service,
and Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions.
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 BaseOS AUS (v. 8.2) - x86_64, noarch, ppc64le
Red Hat Enterprise Linux BaseOS TUS (v. 8.2) - x86_64, noarch, ppc64le
Red Hat Enterprise Linux BaseOS E4S (v. 8.2) - x86_64, noarch, ppc64le
3. Description:
The kernel packages contain the Linux kernel, the core of any Linux operating
system.
Security Fix(es):
* kernel: use-after-free in smb2_is_status_io_timeout() (CVE-2023-1192)
* kernel: vmxnet3: NULL pointer dereference in vmxnet3_rq_cleanup()
(CVE-2023-4459)
* kernel: tun: bugs for oversize packet when napi frags enabled in
tun_napi_alloc_frags (CVE-2023-3812)
* kernel: refcount leak in ctnetlink_create_conntrack() (CVE-2023-7192)
* kernel: mlxsw: spectrum_acl_tcam: Fix stack corruption (CVE-2024-26586)
* kernel: netfilter: divide error in nft_limit_init (CVE-2021-46915)
* kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier
(CVE-2024-26602)
Bug Fix(es):
* kernel: use-after-free in smb2_is_status_io_timeout() (JIRA:RHEL-15155)
* kernel: tun: bugs for oversize packet when napi frags enabled in
tun_napi_alloc_frags (JIRA:RHEL-9225)
* kernel: vmxnet3: NULL pointer dereference in vmxnet3_rq_cleanup()
(JIRA:RHEL-18083)
* dm multipath device suspend deadlocks waiting on a flush request
(JIRA:RHEL-19107)
* kernel NULL pointer at RIP: 0010:kyber_has_work+0x1c/0x60 (JIRA:RHEL-21781)
* rbd: don't move requests to the running list on errors [8.x] (JIRA:RHEL-24200)
* TRIAGE CVE-2021-46915 kernel: netfilter: divide error in nft_limit_init
(JIRA:RHEL-28178)
* kernel: refcount leak in ctnetlink_create_conntrack() (JIRA:RHEL-20295)
* kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier
(JIRA:RHEL-26385)
* kernel: mlxsw: spectrum_acl_tcam: Fix stack corruption (JIRA:RHEL-29180)
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/):
2266423 - CVE-2021-46915 - kernel: netfilter: divide error in nft_limit_init
2154178 - CVE-2023-1192 - kernel: use-after-free in smb2_is_status_io_timeout()
2224048 - CVE-2023-3812 - kernel: tun: bugs for oversize packet when napi frags
enabled in tun_napi_alloc_frags
2219268 - CVE-2023-4459 - kernel: vmxnet3: NULL pointer dereference in
vmxnet3_rq_cleanup()
2256279 - CVE-2023-7192 - kernel: refcount leak in ctnetlink_create_conntrack()
2265645 - CVE-2024-26586 - kernel: mlxsw: spectrum_acl_tcam: Fix stack
corruption
2267695 - CVE-2024-26602 - kernel: sched/membarrier: reduce the ability to
hammer on sys_membarrier
6. Package List:
Red Hat Enterprise Linux BaseOS AUS (v. 8.2)
x86_64:
bpftool-0:4.18.0-193.133.1.el8_2.x86_64.rpm
bpftool-debuginfo-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-core-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-cross-headers-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debug-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debug-core-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debug-debuginfo-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debug-devel-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debug-modules-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debug-modules-extra-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debuginfo-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debuginfo-common-x86_64-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-devel-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-headers-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-modules-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-modules-extra-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-tools-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-tools-debuginfo-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-tools-libs-0:4.18.0-193.133.1.el8_2.x86_64.rpm
perf-0:4.18.0-193.133.1.el8_2.x86_64.rpm
perf-debuginfo-0:4.18.0-193.133.1.el8_2.x86_64.rpm
python3-perf-0:4.18.0-193.133.1.el8_2.x86_64.rpm
python3-perf-debuginfo-0:4.18.0-193.133.1.el8_2.x86_64.rpm
Source:
kernel-0:4.18.0-193.133.1.el8_2.src.rpm
noarch:
kernel-abi-whitelists-0:4.18.0-193.133.1.el8_2.noarch.rpm
kernel-doc-0:4.18.0-193.133.1.el8_2.noarch.rpm
Red Hat Enterprise Linux BaseOS TUS (v. 8.2)
x86_64:
bpftool-0:4.18.0-193.133.1.el8_2.x86_64.rpm
bpftool-debuginfo-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-core-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-cross-headers-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debug-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debug-core-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debug-debuginfo-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debug-devel-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debug-modules-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debug-modules-extra-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debuginfo-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debuginfo-common-x86_64-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-devel-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-headers-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-modules-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-modules-extra-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-tools-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-tools-debuginfo-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-tools-libs-0:4.18.0-193.133.1.el8_2.x86_64.rpm
perf-0:4.18.0-193.133.1.el8_2.x86_64.rpm
perf-debuginfo-0:4.18.0-193.133.1.el8_2.x86_64.rpm
python3-perf-0:4.18.0-193.133.1.el8_2.x86_64.rpm
python3-perf-debuginfo-0:4.18.0-193.133.1.el8_2.x86_64.rpm
Source:
kernel-0:4.18.0-193.133.1.el8_2.src.rpm
noarch:
kernel-abi-whitelists-0:4.18.0-193.133.1.el8_2.noarch.rpm
kernel-doc-0:4.18.0-193.133.1.el8_2.noarch.rpm
Red Hat Enterprise Linux BaseOS E4S (v. 8.2)
ppc64le:
bpftool-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
bpftool-debuginfo-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
kernel-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
kernel-core-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
kernel-cross-headers-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
kernel-debug-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
kernel-debug-core-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
kernel-debug-debuginfo-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
kernel-debug-devel-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
kernel-debug-modules-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
kernel-debug-modules-extra-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
kernel-debuginfo-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
kernel-debuginfo-common-ppc64le-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
kernel-devel-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
kernel-headers-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
kernel-modules-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
kernel-modules-extra-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
kernel-tools-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
kernel-tools-debuginfo-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
kernel-tools-libs-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
perf-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
perf-debuginfo-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
python3-perf-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
python3-perf-debuginfo-0:4.18.0-193.133.1.el8_2.ppc64le.rpm
x86_64:
bpftool-0:4.18.0-193.133.1.el8_2.x86_64.rpm
bpftool-debuginfo-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-core-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-cross-headers-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debug-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debug-core-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debug-debuginfo-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debug-devel-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debug-modules-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debug-modules-extra-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debuginfo-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-debuginfo-common-x86_64-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-devel-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-headers-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-modules-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-modules-extra-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-tools-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-tools-debuginfo-0:4.18.0-193.133.1.el8_2.x86_64.rpm
kernel-tools-libs-0:4.18.0-193.133.1.el8_2.x86_64.rpm
perf-0:4.18.0-193.133.1.el8_2.x86_64.rpm
perf-debuginfo-0:4.18.0-193.133.1.el8_2.x86_64.rpm
python3-perf-0:4.18.0-193.133.1.el8_2.x86_64.rpm
python3-perf-debuginfo-0:4.18.0-193.133.1.el8_2.x86_64.rpm
Source:
kernel-0:4.18.0-193.133.1.el8_2.src.rpm
noarch:
kernel-abi-whitelists-0:4.18.0-193.133.1.el8_2.noarch.rpm
kernel-doc-0:4.18.0-193.133.1.el8_2.noarch.rpm
7. References:
https://access.redhat.com/security/cve/CVE-2021-46915
https://access.redhat.com/security/cve/CVE-2023-1192
https://access.redhat.com/security/cve/CVE-2023-3812
https://access.redhat.com/security/cve/CVE-2023-4459
https://access.redhat.com/security/cve/CVE-2023-7192
https://access.redhat.com/security/cve/CVE-2024-26586
https://access.redhat.com/security/cve/CVE-2024-26602
https://access.redhat.com/security/updates/classification/#important
- --------------------------END INCLUDED TEXT----------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================