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

Synopsis:          Important: kernel security and bug fix update
Advisory ID:       RHSA-2022:8767-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:8767
Issue date:        2022-12-02
CVE Names:         CVE-2022-2639
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 8.4
Extended Update Support.

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 CodeReady Linux Builder EUS (v. 8.4) - aarch64, ppc64le, x86_64
Red Hat Enterprise Linux BaseOS EUS (v.8.4) - 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: openvswitch: integer underflow leads to out-of-bounds write in
reserve_sfa_size() (CVE-2022-2639)

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):

* RHEL8.6: Backport upstream migrate_disable for PREEMPT_RT support
(BZ#2140304)

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/):

2084479 - CVE-2022-2639 kernel: openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size()

6. Package List:

Red Hat Enterprise Linux BaseOS EUS (v.8.4):

Source:
kernel-4.18.0-305.72.1.el8_4.src.rpm

aarch64:
bpftool-4.18.0-305.72.1.el8_4.aarch64.rpm
bpftool-debuginfo-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-core-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-cross-headers-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-debug-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-debug-core-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-debug-debuginfo-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-debug-devel-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-debug-modules-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-debug-modules-extra-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-debuginfo-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-devel-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-headers-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-modules-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-modules-extra-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-tools-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-tools-debuginfo-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-tools-libs-4.18.0-305.72.1.el8_4.aarch64.rpm
perf-4.18.0-305.72.1.el8_4.aarch64.rpm
perf-debuginfo-4.18.0-305.72.1.el8_4.aarch64.rpm
python3-perf-4.18.0-305.72.1.el8_4.aarch64.rpm
python3-perf-debuginfo-4.18.0-305.72.1.el8_4.aarch64.rpm

noarch:
kernel-abi-stablelists-4.18.0-305.72.1.el8_4.noarch.rpm
kernel-doc-4.18.0-305.72.1.el8_4.noarch.rpm

ppc64le:
bpftool-4.18.0-305.72.1.el8_4.ppc64le.rpm
bpftool-debuginfo-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-core-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-cross-headers-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-debug-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-debug-core-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-debug-devel-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-debug-modules-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-debuginfo-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-devel-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-headers-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-modules-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-modules-extra-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-tools-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-tools-libs-4.18.0-305.72.1.el8_4.ppc64le.rpm
perf-4.18.0-305.72.1.el8_4.ppc64le.rpm
perf-debuginfo-4.18.0-305.72.1.el8_4.ppc64le.rpm
python3-perf-4.18.0-305.72.1.el8_4.ppc64le.rpm
python3-perf-debuginfo-4.18.0-305.72.1.el8_4.ppc64le.rpm

s390x:
bpftool-4.18.0-305.72.1.el8_4.s390x.rpm
bpftool-debuginfo-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-core-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-cross-headers-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-debug-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-debug-core-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-debug-debuginfo-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-debug-devel-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-debug-modules-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-debug-modules-extra-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-debuginfo-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-devel-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-headers-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-modules-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-modules-extra-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-tools-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-tools-debuginfo-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-zfcpdump-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-zfcpdump-core-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-zfcpdump-devel-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-zfcpdump-modules-4.18.0-305.72.1.el8_4.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-305.72.1.el8_4.s390x.rpm
perf-4.18.0-305.72.1.el8_4.s390x.rpm
perf-debuginfo-4.18.0-305.72.1.el8_4.s390x.rpm
python3-perf-4.18.0-305.72.1.el8_4.s390x.rpm
python3-perf-debuginfo-4.18.0-305.72.1.el8_4.s390x.rpm

x86_64:
bpftool-4.18.0-305.72.1.el8_4.x86_64.rpm
bpftool-debuginfo-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-core-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-cross-headers-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-debug-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-debug-core-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-debug-debuginfo-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-debug-devel-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-debug-modules-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-debug-modules-extra-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-debuginfo-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-devel-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-headers-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-modules-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-modules-extra-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-tools-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-tools-debuginfo-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-tools-libs-4.18.0-305.72.1.el8_4.x86_64.rpm
perf-4.18.0-305.72.1.el8_4.x86_64.rpm
perf-debuginfo-4.18.0-305.72.1.el8_4.x86_64.rpm
python3-perf-4.18.0-305.72.1.el8_4.x86_64.rpm
python3-perf-debuginfo-4.18.0-305.72.1.el8_4.x86_64.rpm

Red Hat CodeReady Linux Builder EUS (v. 8.4):

aarch64:
bpftool-debuginfo-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-debug-debuginfo-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-debuginfo-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-tools-debuginfo-4.18.0-305.72.1.el8_4.aarch64.rpm
kernel-tools-libs-devel-4.18.0-305.72.1.el8_4.aarch64.rpm
perf-debuginfo-4.18.0-305.72.1.el8_4.aarch64.rpm
python3-perf-debuginfo-4.18.0-305.72.1.el8_4.aarch64.rpm

ppc64le:
bpftool-debuginfo-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-debuginfo-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-305.72.1.el8_4.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-305.72.1.el8_4.ppc64le.rpm
perf-debuginfo-4.18.0-305.72.1.el8_4.ppc64le.rpm
python3-perf-debuginfo-4.18.0-305.72.1.el8_4.ppc64le.rpm

x86_64:
bpftool-debuginfo-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-debug-debuginfo-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-debuginfo-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-tools-debuginfo-4.18.0-305.72.1.el8_4.x86_64.rpm
kernel-tools-libs-devel-4.18.0-305.72.1.el8_4.x86_64.rpm
perf-debuginfo-4.18.0-305.72.1.el8_4.x86_64.rpm
python3-perf-debuginfo-4.18.0-305.72.1.el8_4.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-2022-2639
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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