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Red Hat: RHSA-2023-3852-01 Important: Kernel Issues and Fixes

Redhat Large Esm H500
An update for kernel is now available for Red Hat Enterprise Linux 8.1 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,
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====================================================================                   Red Hat Security Advisory

Synopsis:          Important: kernel security and bug fix update
Advisory ID:       RHSA-2023:3852-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:3852
Issue date:        2023-06-27
CVE Names:         CVE-2023-1281 CVE-2023-32233 
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 8.1
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 E4S (v. 8.1) - aarch64, noarch, ppc64le, s390x, x86_64

3. Description:

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

Security Fix(es):

* kernel: tcindex: use-after-free vulnerability in traffic control index
filter allows privilege escalation (CVE-2023-1281)

* kernel: netfilter: use-after-free in nf_tables when processing batch
requests can lead to privilege escalation (CVE-2023-32233)

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):

* Invalid character detected by rpminspect in
Documentation/translations/zh_CN/process/magic-number.rst (BZ#2208289)

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/):

2181847 - CVE-2023-1281 kernel: tcindex: use-after-free vulnerability in traffic control index filter allows privilege escalation
2196105 - CVE-2023-32233 kernel: netfilter: use-after-free in nf_tables when processing batch requests can lead to privilege escalation

6. Package List:

Red Hat Enterprise Linux BaseOS E4S (v. 8.1):

Source:
kernel-4.18.0-147.85.1.el8_1.src.rpm

aarch64:
bpftool-4.18.0-147.85.1.el8_1.aarch64.rpm
bpftool-debuginfo-4.18.0-147.85.1.el8_1.aarch64.rpm
kernel-4.18.0-147.85.1.el8_1.aarch64.rpm
kernel-core-4.18.0-147.85.1.el8_1.aarch64.rpm
kernel-cross-headers-4.18.0-147.85.1.el8_1.aarch64.rpm
kernel-debug-4.18.0-147.85.1.el8_1.aarch64.rpm
kernel-debug-core-4.18.0-147.85.1.el8_1.aarch64.rpm
kernel-debug-debuginfo-4.18.0-147.85.1.el8_1.aarch64.rpm
kernel-debug-devel-4.18.0-147.85.1.el8_1.aarch64.rpm
kernel-debug-modules-4.18.0-147.85.1.el8_1.aarch64.rpm
kernel-debug-modules-extra-4.18.0-147.85.1.el8_1.aarch64.rpm
kernel-debuginfo-4.18.0-147.85.1.el8_1.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-147.85.1.el8_1.aarch64.rpm
kernel-devel-4.18.0-147.85.1.el8_1.aarch64.rpm
kernel-headers-4.18.0-147.85.1.el8_1.aarch64.rpm
kernel-modules-4.18.0-147.85.1.el8_1.aarch64.rpm
kernel-modules-extra-4.18.0-147.85.1.el8_1.aarch64.rpm
kernel-tools-4.18.0-147.85.1.el8_1.aarch64.rpm
kernel-tools-debuginfo-4.18.0-147.85.1.el8_1.aarch64.rpm
kernel-tools-libs-4.18.0-147.85.1.el8_1.aarch64.rpm
perf-4.18.0-147.85.1.el8_1.aarch64.rpm
perf-debuginfo-4.18.0-147.85.1.el8_1.aarch64.rpm
python3-perf-4.18.0-147.85.1.el8_1.aarch64.rpm
python3-perf-debuginfo-4.18.0-147.85.1.el8_1.aarch64.rpm

noarch:
kernel-abi-whitelists-4.18.0-147.85.1.el8_1.noarch.rpm
kernel-doc-4.18.0-147.85.1.el8_1.noarch.rpm

ppc64le:
bpftool-4.18.0-147.85.1.el8_1.ppc64le.rpm
bpftool-debuginfo-4.18.0-147.85.1.el8_1.ppc64le.rpm
kernel-4.18.0-147.85.1.el8_1.ppc64le.rpm
kernel-core-4.18.0-147.85.1.el8_1.ppc64le.rpm
kernel-cross-headers-4.18.0-147.85.1.el8_1.ppc64le.rpm
kernel-debug-4.18.0-147.85.1.el8_1.ppc64le.rpm
kernel-debug-core-4.18.0-147.85.1.el8_1.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-147.85.1.el8_1.ppc64le.rpm
kernel-debug-devel-4.18.0-147.85.1.el8_1.ppc64le.rpm
kernel-debug-modules-4.18.0-147.85.1.el8_1.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-147.85.1.el8_1.ppc64le.rpm
kernel-debuginfo-4.18.0-147.85.1.el8_1.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-147.85.1.el8_1.ppc64le.rpm
kernel-devel-4.18.0-147.85.1.el8_1.ppc64le.rpm
kernel-headers-4.18.0-147.85.1.el8_1.ppc64le.rpm
kernel-modules-4.18.0-147.85.1.el8_1.ppc64le.rpm
kernel-modules-extra-4.18.0-147.85.1.el8_1.ppc64le.rpm
kernel-tools-4.18.0-147.85.1.el8_1.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-147.85.1.el8_1.ppc64le.rpm
kernel-tools-libs-4.18.0-147.85.1.el8_1.ppc64le.rpm
perf-4.18.0-147.85.1.el8_1.ppc64le.rpm
perf-debuginfo-4.18.0-147.85.1.el8_1.ppc64le.rpm
python3-perf-4.18.0-147.85.1.el8_1.ppc64le.rpm
python3-perf-debuginfo-4.18.0-147.85.1.el8_1.ppc64le.rpm

s390x:
bpftool-4.18.0-147.85.1.el8_1.s390x.rpm
bpftool-debuginfo-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-core-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-cross-headers-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-debug-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-debug-core-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-debug-debuginfo-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-debug-devel-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-debug-modules-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-debug-modules-extra-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-debuginfo-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-devel-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-headers-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-modules-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-modules-extra-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-tools-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-tools-debuginfo-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-zfcpdump-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-zfcpdump-core-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-zfcpdump-devel-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-zfcpdump-modules-4.18.0-147.85.1.el8_1.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-147.85.1.el8_1.s390x.rpm
perf-4.18.0-147.85.1.el8_1.s390x.rpm
perf-debuginfo-4.18.0-147.85.1.el8_1.s390x.rpm
python3-perf-4.18.0-147.85.1.el8_1.s390x.rpm
python3-perf-debuginfo-4.18.0-147.85.1.el8_1.s390x.rpm

x86_64:
bpftool-4.18.0-147.85.1.el8_1.x86_64.rpm
bpftool-debuginfo-4.18.0-147.85.1.el8_1.x86_64.rpm
kernel-4.18.0-147.85.1.el8_1.x86_64.rpm
kernel-core-4.18.0-147.85.1.el8_1.x86_64.rpm
kernel-cross-headers-4.18.0-147.85.1.el8_1.x86_64.rpm
kernel-debug-4.18.0-147.85.1.el8_1.x86_64.rpm
kernel-debug-core-4.18.0-147.85.1.el8_1.x86_64.rpm
kernel-debug-debuginfo-4.18.0-147.85.1.el8_1.x86_64.rpm
kernel-debug-devel-4.18.0-147.85.1.el8_1.x86_64.rpm
kernel-debug-modules-4.18.0-147.85.1.el8_1.x86_64.rpm
kernel-debug-modules-extra-4.18.0-147.85.1.el8_1.x86_64.rpm
kernel-debuginfo-4.18.0-147.85.1.el8_1.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-147.85.1.el8_1.x86_64.rpm
kernel-devel-4.18.0-147.85.1.el8_1.x86_64.rpm
kernel-headers-4.18.0-147.85.1.el8_1.x86_64.rpm
kernel-modules-4.18.0-147.85.1.el8_1.x86_64.rpm
kernel-modules-extra-4.18.0-147.85.1.el8_1.x86_64.rpm
kernel-tools-4.18.0-147.85.1.el8_1.x86_64.rpm
kernel-tools-debuginfo-4.18.0-147.85.1.el8_1.x86_64.rpm
kernel-tools-libs-4.18.0-147.85.1.el8_1.x86_64.rpm
perf-4.18.0-147.85.1.el8_1.x86_64.rpm
perf-debuginfo-4.18.0-147.85.1.el8_1.x86_64.rpm
python3-perf-4.18.0-147.85.1.el8_1.x86_64.rpm
python3-perf-debuginfo-4.18.0-147.85.1.el8_1.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-2023-1281
https://access.redhat.com/security/cve/CVE-2023-32233
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2023 Red Hat, Inc.
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Red Hat: RHSA-2023-3852-01 Important: Kernel Issues and Fixes

red hat
Calendar Grey June 27, 2023
Dist Redhat Esm H88
The latest patch for Red Hat Enterprise Linux 8.1 kernel resolves critical security vulnerabilities and provides a comprehensive list of bug fixes and enhancements.
An update for kernel is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions

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.

Summary

The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: tcindex: use-after-free vulnerability in traffic control index filter allows privilege escalation (CVE-2023-1281)
* kernel: netfilter: use-after-free in nf_tables when processing batch requests can lead to privilege escalation (CVE-2023-32233)
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):
* Invalid character detected by rpminspect in Documentation/translations/zh_CN/process/magic-number.rst (BZ#2208289)

References

https://access.redhat.com/security/cve/CVE-2023-1281 https://access.redhat.com/security/cve/CVE-2023-32233 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux BaseOS E4S (v. 8.1):
Source: kernel-4.18.0-147.85.1.el8_1.src.rpm
aarch64: bpftool-4.18.0-147.85.1.el8_1.aarch64.rpm bpftool-debuginfo-4.18.0-147.85.1.el8_1.aarch64.rpm kernel-4.18.0-147.85.1.el8_1.aarch64.rpm kernel-core-4.18.0-147.85.1.el8_1.aarch64.rpm kernel-cross-headers-4.18.0-147.85.1.el8_1.aarch64.rpm kernel-debug-4.18.0-147.85.1.el8_1.aarch64.rpm kernel-debug-core-4.18.0-147.85.1.el8_1.aarch64.rpm kernel-debug-debuginfo-4.18.0-147.85.1.el8_1.aarch64.rpm kernel-debug-devel-4.18.0-147.85.1.el8_1.aarch64.rpm kernel-debug-modules-4.18.0-147.85.1.el8_1.aarch64.rpm kernel-debug-modules-extra-4.18.0-147.85.1.el8_1.aarch64.rpm kernel-debuginfo-4.18.0-147.85.1.el8_1.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-147.85.1.el8_1.aarch64.rpm kernel-devel-4.18.0-147.85.1.el8_1.aarch64.rpm kernel-headers-4.18.0-147.85.1.el8_1.aarch64.rpm kernel-modules-4.18.0-147.85.1.el8_1.aarch64.rpm kernel-modules-extra-4.18.0-147.85.1.el8_1.aarch64.rpm kernel-tools-4.18.0-147.85.1.el8_1.aarch64.rpm kernel-tools-debuginfo-4.18.0-147.85.1.el8_1.aarch64.rpm kernel-tools-libs-4.18.0-147.85.1.el8_1.aarch64.rpm perf-4.18.0-147.85.1.el8_1.aarch64.rpm perf-debuginfo-4.18.0-147.85.1.el8_1.aarch64.rpm python3-perf-4.18.0-147.85.1.el8_1.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:3852-01
Product: Red Hat Enterprise Linux
Issue date: 2023-06-27

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.1Update Services for SAP Solutions.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS E4S (v. 8.1) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2181847 - CVE-2023-1281 kernel: tcindex: use-after-free vulnerability in traffic control index filter allows privilege escalation

2196105 - CVE-2023-32233 kernel: netfilter: use-after-free in nf_tables when processing batch requests can lead to privilege escalation

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