CVE-2022-49646
wifi: mac80211: fix queue selection for mesh/OCB interfaces
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix queue selection for mesh/OCB interfaces When using iTXQ, the code assumes that there is only one vif queue for broadcast packets, using the BE queue. Allowing non-BE queue marking violates that assumption and txq->ac == skb_queue_mapping is no longer guaranteed. This can cause issues with queue handling in the driver and also causes issues with the recent ATF change, resulting in an AQL underflow warning.
Timeline
ID reserved
By Linux
Published
- 15 months later
· 15 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.27% · top 81% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected 1974da8b31e6ea9c96c21505ffcb546fa59add23 – < 444be5a02b77f3b7a8ac9c1a0b074fbb3bd89cd0
- affected 1974da8b31e6ea9c96c21505ffcb546fa59add23 – < e013ea2a51a94b903b396a8dff531a07d470335d
- affected 1974da8b31e6ea9c96c21505ffcb546fa59add23 – < 5a9df31017999197b6e60535940f2f2fe1bd3b0d
- affected 1974da8b31e6ea9c96c21505ffcb546fa59add23 – < 41ecab279a70dced9005f4d55fa0fcde8938603f
- affected 1974da8b31e6ea9c96c21505ffcb546fa59add23 – < 50e2ab39291947b6c6c7025cf01707c270fcde59
- affected 5.2
- unaffected < 5.2
- unaffected 5.4.207 – ≤ 5.4.*
- unaffected 5.10.132 – ≤ 5.10.*
- unaffected 5.15.56 – ≤ 5.15.*
- unaffected 5.18.13 – ≤ 5.18.*
- unaffected 5.19 – ≤ *
References (5)
- https://git.kernel.org/stable/c/444be5a02b77f3b7a8ac9c1a0b074fbb3bd89cd0 (opens in a new tab)
- https://git.kernel.org/stable/c/e013ea2a51a94b903b396a8dff531a07d470335d (opens in a new tab)
- https://git.kernel.org/stable/c/5a9df31017999197b6e60535940f2f2fe1bd3b0d (opens in a new tab)
- https://git.kernel.org/stable/c/41ecab279a70dced9005f4d55fa0fcde8938603f (opens in a new tab)
- https://git.kernel.org/stable/c/50e2ab39291947b6c6c7025cf01707c270fcde59 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2022-49646)Record last updated .