Use After Free Affecting kernel-rt-modules-extra package, versions <0:5.14.0-162.6.1.rt21.168.el9_1


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-RHEL9-KERNELRTMODULESEXTRA-3550610
  • published13 Apr 2022
  • disclosed7 Apr 2022

Introduced: 7 Apr 2022

CVE-2022-1280  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:9 kernel-rt-modules-extra to version 0:5.14.0-162.6.1.rt21.168.el9_1 or higher.
This issue was patched in RHSA-2022:7933.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-modules-extra package and not the kernel-rt-modules-extra package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

A use-after-free vulnerability was found in drm_lease_held in drivers/gpu/drm/drm_lease.c in the Linux kernel due to a race problem. This flaw allows a local user privilege attacker to cause a denial of service (DoS) or a kernel information leak.

CVSS Scores

version 3.1