NULL Pointer Dereference Affecting perf package, versions <0:4.18.0-513.5.1.el8_9


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.45% (36th percentile)

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  • Snyk IDSNYK-ALMALINUX8-PERF-6090110
  • published27 Nov 2023
  • disclosed14 Nov 2023

Introduced: 14 Nov 2023

CVE-2023-3772  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 perf to version 0:4.18.0-513.5.1.el8_9 or higher.
This issue was patched in ALSA-2023:7077.

NVD Description

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

A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem). This issue may allow a malicious user with CAP_NET_ADMIN privileges to directly dereference a NULL pointer in xfrm_update_ae_params(), leading to a possible kernel crash and denial of service.

CVSS Base Scores

version 3.1