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
0.9% (59th percentile)

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  • Snyk IDSNYK-ALPINE319-LINUXLTS-6107171
  • published8 Dec 2023
  • disclosed14 Oct 2022

Introduced: 14 Oct 2022

CVE-2022-42720  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Alpine:3.19 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:3.19 relevant fixed versions and status.

Various refcounting bugs in the multi-BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers (able to inject WLAN frames) to trigger use-after-free conditions to potentially execute code.

CVSS Base Scores

version 3.1