Out-of-bounds Write Affecting kernel-debug-modules package, versions <0:4.18.0-372.91.1.el8_6


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELDEBUGMODULES-6237002
  • published8 Feb 2024
  • disclosed14 Jan 2022

Introduced: 14 Jan 2022

CVE-2022-0500  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-debug-modules to version 0:4.18.0-372.91.1.el8_6 or higher.
This issue was patched in RHSA-2024:0724.

NVD Description

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

A flaw was found in unrestricted eBPF usage by the BPF_BTF_LOAD, leading to a possible out-of-bounds memory write in the Linux kernel’s BPF subsystem due to the way a user loads BTF. This flaw allows a local user to crash or escalate their privileges on the system.

CVSS Scores

version 3.1