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Red Hat Security Advisory 2022-6073-01

Red Hat Security Advisory 2022-6073-01
Posted Aug 17, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-6073-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include privilege escalation and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2022-32250
SHA-256 | 44bc4925eddbb67b285b675712c5d123f78ce3f5c67aef2a2bc37ac0e4dd09f5

Red Hat Security Advisory 2022-6073-01

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====================================================================
Red Hat Security Advisory

Synopsis: Important: kernel security update
Advisory ID: RHSA-2022:6073-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:6073
Issue date: 2022-08-16
CVE Names: CVE-2022-32250
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.7
Advanced Update Support, Red Hat Enterprise Linux 7.7 Telco Extended Update
Support, and Red Hat Enterprise Linux 7.7 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 Server AUS (v. 7.7) - noarch, x86_64
Red Hat Enterprise Linux Server E4S (v. 7.7) - noarch, ppc64le, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 7.7) - x86_64
Red Hat Enterprise Linux Server Optional E4S (v. 7.7) - ppc64le, x86_64
Red Hat Enterprise Linux Server Optional TUS (v. 7.7) - x86_64
Red Hat Enterprise Linux Server TUS (v. 7.7) - noarch, x86_64

3. Description:

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

Security Fix(es):

* kernel: a use-after-free write in the netfilter subsystem can lead to
privilege escalation to root (CVE-2022-32250)

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.

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/):

2092427 - CVE-2022-32250 kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root

6. Package List:

Red Hat Enterprise Linux Server AUS (v. 7.7):

Source:
kernel-3.10.0-1062.68.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-1062.68.1.el7.noarch.rpm
kernel-doc-3.10.0-1062.68.1.el7.noarch.rpm

x86_64:
bpftool-3.10.0-1062.68.1.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debug-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-devel-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-headers-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-tools-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1062.68.1.el7.x86_64.rpm
perf-3.10.0-1062.68.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
python-perf-3.10.0-1062.68.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server E4S (v. 7.7):

Source:
kernel-3.10.0-1062.68.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-1062.68.1.el7.noarch.rpm
kernel-doc-3.10.0-1062.68.1.el7.noarch.rpm

ppc64le:
bpftool-3.10.0-1062.68.1.el7.ppc64le.rpm
bpftool-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm
kernel-3.10.0-1062.68.1.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-1062.68.1.el7.ppc64le.rpm
kernel-debug-3.10.0-1062.68.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-1062.68.1.el7.ppc64le.rpm
kernel-devel-3.10.0-1062.68.1.el7.ppc64le.rpm
kernel-headers-3.10.0-1062.68.1.el7.ppc64le.rpm
kernel-tools-3.10.0-1062.68.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-1062.68.1.el7.ppc64le.rpm
perf-3.10.0-1062.68.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm
python-perf-3.10.0-1062.68.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm

x86_64:
bpftool-3.10.0-1062.68.1.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debug-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-devel-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-headers-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-tools-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1062.68.1.el7.x86_64.rpm
perf-3.10.0-1062.68.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
python-perf-3.10.0-1062.68.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server TUS (v. 7.7):

Source:
kernel-3.10.0-1062.68.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-1062.68.1.el7.noarch.rpm
kernel-doc-3.10.0-1062.68.1.el7.noarch.rpm

x86_64:
bpftool-3.10.0-1062.68.1.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debug-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-devel-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-headers-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-tools-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1062.68.1.el7.x86_64.rpm
perf-3.10.0-1062.68.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
python-perf-3.10.0-1062.68.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional AUS (v. 7.7):

x86_64:
bpftool-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1062.68.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional E4S (v. 7.7):

ppc64le:
bpftool-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-1062.68.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-1062.68.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-1062.68.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-1062.68.1.el7.ppc64le.rpm

x86_64:
bpftool-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1062.68.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional TUS (v. 7.7):

x86_64:
bpftool-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1062.68.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1062.68.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1062.68.1.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-2022-32250
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 2022 Red Hat, Inc.
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