Use After Free Affecting kernel-syms package, versions <5.3.18-150300.59.98.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.99% (85th percentile)

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  • Snyk IDSNYK-SLES153-KERNELSYMS-3085429
  • published27 Oct 2022
  • disclosed26 Oct 2022

Introduced: 26 Oct 2022

CVE-2022-42719  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 kernel-syms to version 5.3.18-150300.59.98.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-syms package and not the kernel-syms package as distributed by SLES. See How to fix? for SLES:15.3 relevant fixed versions and status.

A use-after-free in the mac80211 stack when parsing a multi-BSSID element in the Linux kernel 5.2 through 5.19.x before 5.19.16 could be used by attackers (able to inject WLAN frames) to crash the kernel and potentially execute code.

CVSS Scores

version 3.1