Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.10, < 5.10.89 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/87a270625a89fc841f1a7e21aae6176543d8385cPatch
- https://git.kernel.org/stable/c/ac61b9c6c0549aaeb98194cf429d93c41bfe5f79Patch
- https://git.kernel.org/stable/c/c1d1ec4db5f7264cfc21993e59e8f2dcecf4b44fPatch
- https://git.kernel.org/stable/c/87a270625a89fc841f1a7e21aae6176543d8385cPatch
- https://git.kernel.org/stable/c/ac61b9c6c0549aaeb98194cf429d93c41bfe5f79Patch
- https://git.kernel.org/stable/c/c1d1ec4db5f7264cfc21993e59e8f2dcecf4b44fPatch
FAQ
What is CVE-2021-47091?
CVE-2021-47091 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 enco...
How severe is CVE-2021-47091?
CVE-2021-47091 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47091?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.