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Red Hat Security Advisory 2022-1213-01

Red Hat Security Advisory 2022-1213-01
Posted Apr 6, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1213-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include denial of service and out of bounds read vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-8647, CVE-2020-8649, CVE-2022-0435
SHA-256 | cd1e0164b043020587cb21f64bf36381ce76788b34180dbeadb3cdf592d39038

Red Hat Security Advisory 2022-1213-01

Change Mirror Download
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Hash: SHA256

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

Synopsis: Important: kernel security update
Advisory ID: RHSA-2022:1213-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:1213
Issue date: 2022-04-05
CVE Names: CVE-2020-8647 CVE-2020-8649 CVE-2022-0435
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 8.2
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. 8.2) - aarch64, ppc64le, x86_64
Red Hat Enterprise Linux BaseOS EUS (v. 8.2) - 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: remote stack overflow via kernel panic on systems using TIPC may
lead to DoS (CVE-2022-0435)

* kernel: out-of-bounds read in in vc_do_resize function in
drivers/tty/vt/vt.c (CVE-2020-8647)

* kernel: invalid read location in vgacon_invert_region function in
drivers/video/console/vgacon.c (CVE-2020-8649)

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/):

1802555 - CVE-2020-8649 kernel: invalid read location in vgacon_invert_region function in drivers/video/console/vgacon.c
1802563 - CVE-2020-8647 kernel: out-of-bounds read in in vc_do_resize function in drivers/tty/vt/vt.c
2048738 - CVE-2022-0435 kernel: remote stack overflow via kernel panic on systems using TIPC may lead to DoS

6. Package List:

Red Hat Enterprise Linux BaseOS EUS (v. 8.2):

Source:
kernel-4.18.0-193.80.1.el8_2.src.rpm

aarch64:
bpftool-4.18.0-193.80.1.el8_2.aarch64.rpm
bpftool-debuginfo-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-core-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-cross-headers-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-debug-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-debug-core-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-debug-debuginfo-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-debug-devel-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-debug-modules-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-debug-modules-extra-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-debuginfo-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-devel-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-headers-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-modules-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-modules-extra-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-tools-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-tools-debuginfo-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-tools-libs-4.18.0-193.80.1.el8_2.aarch64.rpm
perf-4.18.0-193.80.1.el8_2.aarch64.rpm
perf-debuginfo-4.18.0-193.80.1.el8_2.aarch64.rpm
python3-perf-4.18.0-193.80.1.el8_2.aarch64.rpm
python3-perf-debuginfo-4.18.0-193.80.1.el8_2.aarch64.rpm

noarch:
kernel-abi-whitelists-4.18.0-193.80.1.el8_2.noarch.rpm
kernel-doc-4.18.0-193.80.1.el8_2.noarch.rpm

ppc64le:
bpftool-4.18.0-193.80.1.el8_2.ppc64le.rpm
bpftool-debuginfo-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-core-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-cross-headers-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-debug-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-debug-core-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-debug-devel-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-debug-modules-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-debuginfo-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-devel-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-headers-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-modules-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-modules-extra-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-tools-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-tools-libs-4.18.0-193.80.1.el8_2.ppc64le.rpm
perf-4.18.0-193.80.1.el8_2.ppc64le.rpm
perf-debuginfo-4.18.0-193.80.1.el8_2.ppc64le.rpm
python3-perf-4.18.0-193.80.1.el8_2.ppc64le.rpm
python3-perf-debuginfo-4.18.0-193.80.1.el8_2.ppc64le.rpm

s390x:
bpftool-4.18.0-193.80.1.el8_2.s390x.rpm
bpftool-debuginfo-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-core-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-cross-headers-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-debug-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-debug-core-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-debug-debuginfo-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-debug-devel-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-debug-modules-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-debug-modules-extra-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-debuginfo-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-devel-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-headers-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-modules-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-modules-extra-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-tools-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-tools-debuginfo-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-zfcpdump-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-zfcpdump-core-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-zfcpdump-devel-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-zfcpdump-modules-4.18.0-193.80.1.el8_2.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-193.80.1.el8_2.s390x.rpm
perf-4.18.0-193.80.1.el8_2.s390x.rpm
perf-debuginfo-4.18.0-193.80.1.el8_2.s390x.rpm
python3-perf-4.18.0-193.80.1.el8_2.s390x.rpm
python3-perf-debuginfo-4.18.0-193.80.1.el8_2.s390x.rpm

x86_64:
bpftool-4.18.0-193.80.1.el8_2.x86_64.rpm
bpftool-debuginfo-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-core-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-cross-headers-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-debug-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-debug-core-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-debug-debuginfo-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-debug-devel-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-debug-modules-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-debug-modules-extra-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-debuginfo-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-devel-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-headers-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-modules-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-modules-extra-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-tools-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-tools-debuginfo-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-tools-libs-4.18.0-193.80.1.el8_2.x86_64.rpm
perf-4.18.0-193.80.1.el8_2.x86_64.rpm
perf-debuginfo-4.18.0-193.80.1.el8_2.x86_64.rpm
python3-perf-4.18.0-193.80.1.el8_2.x86_64.rpm
python3-perf-debuginfo-4.18.0-193.80.1.el8_2.x86_64.rpm

Red Hat CodeReady Linux Builder EUS (v. 8.2):

aarch64:
bpftool-debuginfo-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-debug-debuginfo-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-debuginfo-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-tools-debuginfo-4.18.0-193.80.1.el8_2.aarch64.rpm
kernel-tools-libs-devel-4.18.0-193.80.1.el8_2.aarch64.rpm
perf-debuginfo-4.18.0-193.80.1.el8_2.aarch64.rpm
python3-perf-debuginfo-4.18.0-193.80.1.el8_2.aarch64.rpm

ppc64le:
bpftool-debuginfo-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-debuginfo-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-193.80.1.el8_2.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-193.80.1.el8_2.ppc64le.rpm
perf-debuginfo-4.18.0-193.80.1.el8_2.ppc64le.rpm
python3-perf-debuginfo-4.18.0-193.80.1.el8_2.ppc64le.rpm

x86_64:
bpftool-debuginfo-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-debug-debuginfo-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-debuginfo-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-tools-debuginfo-4.18.0-193.80.1.el8_2.x86_64.rpm
kernel-tools-libs-devel-4.18.0-193.80.1.el8_2.x86_64.rpm
perf-debuginfo-4.18.0-193.80.1.el8_2.x86_64.rpm
python3-perf-debuginfo-4.18.0-193.80.1.el8_2.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-2020-8647
https://access.redhat.com/security/cve/CVE-2020-8649
https://access.redhat.com/security/cve/CVE-2022-0435
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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