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


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-ALMALINUX9-KERNELRTDEBUGMODULESEXTRA-5655707
  • published28 May 2023
  • disclosed15 Nov 2022

Introduced: 15 Nov 2022

CVE-2022-28893  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

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

NVD Description

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

The SUNRPC subsystem in the Linux kernel through 5.17.2 can call xs_xprt_free before ensuring that sockets are in the intended state.

CVSS Scores

version 3.1