CVE-2022-42720
7.8
HIGH
CVSS 3.1
EPSS 0.73%
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.
How to fix CVE-2022-42720
To remediate CVE-2022-42720, upgrade the affected package to a fixed version below.
- Alpine/linux-lts—upgrade to 5.15.74-r0 or later
- —upgrade to 5.10.149-1 or later
Is CVE-2022-42720 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 5.15.74-r0
- from 0, < 5.10.149-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |