ALPINE-CVE-2022-42720

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2022-42720
Published: 14 Oct 2022, 00:15
Last modified:03 Dec 2025, 22:50

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
3.1 (osv_alpine)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

14 Oct 2022, 00:15
Published
Vulnerability first disclosed
03 Dec 2025, 22:50
Last Modified
Vulnerability information updated

Description

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 Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • alpine•linux-lts

    < 5.15.74-r0 | < 5.15.74-r0 | < 5.15.74-r0 | < 5.15.74-r0 | < 5.15.74-r0 | < 5.15.74-r0 | < 5.15.74-r0 | < 5.15.74-r0 | < 5.15.74-r0

References (1)