CVE-2022-42721

critical

Published 2023-05-09 · Modified 2023-05-16

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

9.5

Description

A list management bug in 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 corrupt a linked list and, in turn, potentially execute code.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

AlmaLinux Fixed 2 releases

Version	Status	Fixed in
9	Fixed	`kernel-doc-5.14.0-284.11.1.el9_2.noarch.rpm`
8	Fixed	`kernel-doc-4.18.0-477.10.1.el8_8.noarch.rpm`

Arch Fixed 1 release

Version	Status	Fixed in
—	Fixed	`5.19.15.hardened2-1`

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`6.0.2-1`
sid	Fixed	`6.0.2-1`
forky	Fixed	`6.0.2-1`
bullseye	Fixed	`5.10.149-1`
bookworm	Fixed	`6.0.2-1`

Red Hat Fixed 2 releases

Version	Status	Fixed in
9	Fixed	—
8	Fixed	—

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.