CVEvulnerability
CVE-2021-47091
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2024-03-04
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-667
Description
In the Linux kernel, the following vulnerability has been resolved:
mac80211: fix locking in ieee80211_start_ap error path
We need to hold the local->mtx to release the channel context,
as even encoded by the lockdep_assert_held() there. Fix it.
Affected configurations
• linux linux kernel (>= 5.10 < 5.10.89)
• linux linux kernel (>= 5.11 < 5.15.12)
• linux linux kernel 5.16
Related
Weakness · CWE (1)
- CWE-667 Improper Locking weakness
References
- https://git.kernel.org/stable/c/87a270625a89fc841f1a7e21aae6176543d8385c Patch
- https://git.kernel.org/stable/c/ac61b9c6c0549aaeb98194cf429d93c41bfe5f79 Patch
- https://git.kernel.org/stable/c/c1d1ec4db5f7264cfc21993e59e8f2dcecf4b44f Patch
- https://git.kernel.org/stable/c/87a270625a89fc841f1a7e21aae6176543d8385c Patch
- https://git.kernel.org/stable/c/ac61b9c6c0549aaeb98194cf429d93c41bfe5f79 Patch
- https://git.kernel.org/stable/c/c1d1ec4db5f7264cfc21993e59e8f2dcecf4b44f Patch