Use After Free Affecting linux-lts package, versions <5.15.74-r0


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.4% (74th percentile)

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  • Snyk IDSNYK-ALPINE317-LINUXLTS-3140332
  • published16 Oct 2022
  • disclosed13 Oct 2022

Introduced: 13 Oct 2022

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

How to fix?

Upgrade Alpine:3.17 linux-lts to version 5.15.74-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream linux-lts package and not the linux-lts package as distributed by Alpine. See How to fix? for Alpine:3.17 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