Use After Free Affecting kernel-rt-debuginfo-common-x86_64 package, versions <0:4.18.0-553.rt7.342.el8_10


Severity

Recommended
0.0
medium
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ROCKY8-KERNELRTDEBUGINFOCOMMONX8664-7259263
  • published15 Jun 2024
  • disclosed2 Dec 2020

Introduced: 2 Dec 2020

CVE-2020-25656  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 kernel-rt-debuginfo-common-x86_64 to version 0:4.18.0-553.rt7.342.el8_10 or higher.
This issue was patched in RLSA-2024:2950.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debuginfo-common-x86_64 package and not the kernel-rt-debuginfo-common-x86_64 package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

A flaw was found in the Linux kernel. A use-after-free was found in the way the console subsystem was using ioctls KDGKBSENT and KDSKBSENT. A local user could use this flaw to get read memory access out of bounds. The highest threat from this vulnerability is to data confidentiality.

CVSS Scores

version 3.1