VulnerabilityAnalyzed
CVE-2021-47091
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.
MEDIUM 5.5EPSS 0.17%
Does this matter?
Lower severity and a low EPSS score (0.17%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.17% probability · 7th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-667
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.