CVE-2022-26373

medium

Published 2022-11-15 · Modified 2022-11-18

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CVSS v3

—

CVSS v4 NEW

—

not yet in upstream

VIR risk

5.5

Description

Moderate: kernel security, bug fix, and enhancement update

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Red Hat Errata — Red Hat Inc. · View original ↗ · Open-Errata-API

Description hw: cpu: Intel: Post-barrier Return Stack Buffer Predictions CVSS v3: 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) Errata / fixed releases ProductPackageAdvisoryReleased Red Hat Enterprise Linux 7kernel-rt-0:3.10.0-1160.80.1.rt56.1225.el7RHSA-2022:73382022-11-02T00:00:00Z Red Hat Enterprise Linux 7kernel-0:3.10.0-1160.80.1.el7RHSA-2022:73372022-11-02T00:00:00Z Red Hat Enterprise…

Description

hw: cpu: Intel: Post-barrier Return Stack Buffer Predictions

CVSS v3: 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)

Errata / fixed releases

Product	Package	Advisory	Released
Red Hat Enterprise Linux 7	`kernel-rt-0:3.10.0-1160.80.1.rt56.1225.el7`	RHSA-2022:7338	2022-11-02T00:00:00Z
Red Hat Enterprise Linux 7	`kernel-0:3.10.0-1160.80.1.el7`	RHSA-2022:7337	2022-11-02T00:00:00Z
Red Hat Enterprise Linux 8	`kernel-rt-0:4.18.0-425.3.1.rt7.213.el8`	RHSA-2022:7444	2022-11-08T00:00:00Z
Red Hat Enterprise Linux 8	`kernel-0:4.18.0-425.3.1.el8`	RHSA-2022:7683	2022-11-08T00:00:00Z
Red Hat Enterprise Linux 8.6 Extended Update Support	`kernel-0:4.18.0-372.41.1.el8_6`	RHSA-2023:0440	2023-01-24T00:00:00Z
Red Hat Enterprise Linux 9	`kernel-0:5.14.0-162.6.1.el9_1`	RHSA-2022:8267	2022-11-15T00:00:00Z
Red Hat Enterprise Linux 9	`kernel-rt-0:5.14.0-162.6.1.rt21.168.el9_1`	RHSA-2022:7933	2022-11-15T00:00:00Z
Red Hat Enterprise Linux 9	`kernel-0:5.14.0-162.6.1.el9_1`	RHSA-2022:8267	2022-11-15T00:00:00Z
Red Hat Enterprise Linux 9.0 Extended Update Support	`kernel-0:5.14.0-70.36.1.el9_0`	RHSA-2022:8973	2022-12-13T00:00:00Z
Red Hat Enterprise Linux 9.0 Extended Update Support	`kernel-rt-0:5.14.0-70.36.1.rt21.108.el9_0`	RHSA-2022:8974	2022-12-13T00:00:00Z
Red Hat Virtualization 4 for Red Hat Enterprise Linux 8	`kernel-0:4.18.0-372.41.1.el8_6`	RHSA-2023:0440	2023-01-24T00:00:00Z

Package state

Product	Package	State
Red Hat Enterprise Linux 6	`kernel`	Will not fix

Apply commands

bash fix

Apply RHSA-2022:7338 for Red Hat Enterprise Linux 7

yum update -y kernel-rt
# or:
dnf upgrade -y kernel-rt

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

AlmaLinux Fixed 2 releases

Version	Status	Fixed in
9	Fixed	`kernel-rt-debug-core-5.14.0-162.6.1.rt21.168.el9_1.x86_64.rpm`
8	Fixed	`kernel-doc-4.18.0-425.3.1.el8.noarch.rpm`

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`5.18.16-1`
sid	Fixed	`5.18.16-1`
forky	Fixed	`5.18.16-1`
bullseye	Fixed	`5.10.136-1`
bookworm	Fixed	`5.18.16-1`

Red Hat Fixed 2 releases

Version	Status	Fixed in
9	Fixed	—
8	Fixed	—

Rocky Linux Fixed 1 release

Version	Status	Fixed in
8	Fixed	—

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.