Race Condition Affecting kernel-rt-core package, versions <0:4.18.0-425.3.1.rt7.213.el8


Severity

Recommended
medium

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-ROCKY8-KERNELRTCORE-3194397
  • published5 Jan 2023
  • disclosed29 Apr 2022

Introduced: 29 Apr 2022

CVE-2022-1048  (opens in a new tab)
CWE-362  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 kernel-rt-core to version 0:4.18.0-425.3.1.rt7.213.el8 or higher.
This issue was patched in RLSA-2022:7444.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-core package and not the kernel-rt-core package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

A use-after-free flaw was found in the Linux kernel’s sound subsystem in the way a user triggers concurrent calls of PCM hw_params. The hw_free ioctls or similar race condition happens inside ALSA PCM for other ioctls. This flaw allows a local user to crash or potentially escalate their privileges on the system.

CVSS Scores

version 3.1