Write-what-where Condition Affecting kernel-rt-debug package, versions <0:4.18.0-477.10.1.rt7.274.el8_8


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.22% (62nd percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTDEBUG-5558048
  • published31 Jan 2023
  • disclosed1 Sept 2022

Introduced: 1 Sep 2022

CVE-2022-3623  (opens in a new tab)
CWE-123  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-debug to version 0:4.18.0-477.10.1.rt7.274.el8_8 or higher.
This issue was patched in RHSA-2023:2736.

NVD Description

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

A vulnerability was found in Linux Kernel. It has been declared as problematic. Affected by this vulnerability is the function follow_page_pte of the file mm/gup.c of the component BPF. The manipulation leads to race condition. The attack can be launched remotely. It is recommended to apply a patch to fix this issue. The identifier VDB-211921 was assigned to this vulnerability.

CVSS Scores

version 3.1