Attempt to Access Child of a Non-structure Pointer Affecting kernel-headers package, versions <0:4.18.0-372.124.1.el8_6


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELHEADERS-8083531
  • published24 Sept 2024
  • disclosed28 Apr 2024

Introduced: 28 Apr 2024

CVE-2022-48638  (opens in a new tab)
CWE-588  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-headers to version 0:4.18.0-372.124.1.el8_6 or higher.
This issue was patched in RHSA-2024:6998.

NVD Description

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

In the Linux kernel, the following vulnerability has been resolved:

cgroup: cgroup_get_from_id() must check the looked-up kn is a directory

cgroup has to be one kernfs dir, otherwise kernel panic is caused, especially cgroup id is provide from userspace.

CVSS Scores

version 3.1