-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis:          Important: kernel security and bug fix update
Advisory ID:       RHSA-2022:7171-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:7171
Issue date:        2022-10-25
CVE Names:         CVE-2022-2588 
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.6
Advanced Update Support, Red Hat Enterprise Linux 7.6 Telco Extended Update
Support, and Red Hat Enterprise Linux 7.6 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. 7.6) - noarch, x86_64
Red Hat Enterprise Linux Server E4S (v. 7.6) - noarch, ppc64le, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 7.6) - x86_64
Red Hat Enterprise Linux Server Optional E4S (v. 7.6) - ppc64le, x86_64
Red Hat Enterprise Linux Server Optional TUS (v. 7.6) - x86_64
Red Hat Enterprise Linux Server TUS (v. 7.6) - noarch, x86_64

3. Description:

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

Security Fix(es):

* a use-after-free in cls_route filter implementation may lead to privilege
escalation (CVE-2022-2588)

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):

* backports from upstream for netfilter (BZ#2120635)

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/):

2114849 - CVE-2022-2588 kernel: a use-after-free in cls_route filter implementation may lead to privilege escalation

6. Package List:

Red Hat Enterprise Linux Server AUS (v. 7.6):

Source:
kernel-3.10.0-957.99.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-957.99.1.el7.noarch.rpm
kernel-doc-3.10.0-957.99.1.el7.noarch.rpm

x86_64:
bpftool-3.10.0-957.99.1.el7.x86_64.rpm
kernel-3.10.0-957.99.1.el7.x86_64.rpm
kernel-debug-3.10.0-957.99.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.99.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.99.1.el7.x86_64.rpm
kernel-devel-3.10.0-957.99.1.el7.x86_64.rpm
kernel-headers-3.10.0-957.99.1.el7.x86_64.rpm
kernel-tools-3.10.0-957.99.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.99.1.el7.x86_64.rpm
perf-3.10.0-957.99.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
python-perf-3.10.0-957.99.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server E4S (v. 7.6):

Source:
kernel-3.10.0-957.99.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-957.99.1.el7.noarch.rpm
kernel-doc-3.10.0-957.99.1.el7.noarch.rpm

ppc64le:
kernel-3.10.0-957.99.1.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-957.99.1.el7.ppc64le.rpm
kernel-debug-3.10.0-957.99.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-957.99.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-957.99.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-957.99.1.el7.ppc64le.rpm
kernel-devel-3.10.0-957.99.1.el7.ppc64le.rpm
kernel-headers-3.10.0-957.99.1.el7.ppc64le.rpm
kernel-tools-3.10.0-957.99.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-957.99.1.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-957.99.1.el7.ppc64le.rpm
perf-3.10.0-957.99.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-957.99.1.el7.ppc64le.rpm
python-perf-3.10.0-957.99.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-957.99.1.el7.ppc64le.rpm

x86_64:
kernel-3.10.0-957.99.1.el7.x86_64.rpm
kernel-debug-3.10.0-957.99.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.99.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.99.1.el7.x86_64.rpm
kernel-devel-3.10.0-957.99.1.el7.x86_64.rpm
kernel-headers-3.10.0-957.99.1.el7.x86_64.rpm
kernel-tools-3.10.0-957.99.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.99.1.el7.x86_64.rpm
perf-3.10.0-957.99.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
python-perf-3.10.0-957.99.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server TUS (v. 7.6):

Source:
kernel-3.10.0-957.99.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-957.99.1.el7.noarch.rpm
kernel-doc-3.10.0-957.99.1.el7.noarch.rpm

x86_64:
bpftool-3.10.0-957.99.1.el7.x86_64.rpm
kernel-3.10.0-957.99.1.el7.x86_64.rpm
kernel-debug-3.10.0-957.99.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.99.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.99.1.el7.x86_64.rpm
kernel-devel-3.10.0-957.99.1.el7.x86_64.rpm
kernel-headers-3.10.0-957.99.1.el7.x86_64.rpm
kernel-tools-3.10.0-957.99.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.99.1.el7.x86_64.rpm
perf-3.10.0-957.99.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
python-perf-3.10.0-957.99.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional AUS (v. 7.6):

x86_64:
kernel-debug-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.99.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.99.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional E4S (v. 7.6):

ppc64le:
kernel-debug-debuginfo-3.10.0-957.99.1.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-957.99.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-957.99.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-957.99.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-957.99.1.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-957.99.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-957.99.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-957.99.1.el7.ppc64le.rpm

x86_64:
kernel-debug-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.99.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.99.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional TUS (v. 7.6):

x86_64:
kernel-debug-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.99.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.99.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.99.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.99.1.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-2022-2588
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 2022 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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6Doq
-----END PGP SIGNATURE-----
--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://listman.redhat.com/mailman/listinfo/rhsa-announce