Incorrect Calculation Affecting kernel-debug-modules package, versions <0:4.18.0-513.9.1.el8_9


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELDEBUGMODULES-5916033
  • published23 Sept 2023
  • disclosed19 Apr 2023

Introduced: 19 Apr 2023

CVE-2023-2163  (opens in a new tab)
CWE-682  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-debug-modules to version 0:4.18.0-513.9.1.el8_9 or higher.
This issue was patched in RHSA-2023:7549.

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.

Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape.

CVSS Scores

version 3.1