CVE-2021-47091
N/A
N/A
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 295b02c4be74bebf988593b8322369513fcecf68 < ac61b9c6c0549aaeb98194cf429d93c41bfe5f79 | affected |
| Linux | Linux | 295b02c4be74bebf988593b8322369513fcecf68 < c1d1ec4db5f7264cfc21993e59e8f2dcecf4b44f | affected |
| Linux | Linux | 295b02c4be74bebf988593b8322369513fcecf68 < 87a270625a89fc841f1a7e21aae6176543d8385c | affected |
| Linux | Linux | 5.10 | affected |
| Linux | Linux | 0 < 5.10 | unaffected |
| Linux | Linux | 5.10.89 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.12 <= 5.15.* | unaffected |
| Linux | Linux | 5.16 <= * | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
CVE Program Container
Additional References
- https://git.kernel.org/stable/c/ac61b9c6c0549aaeb98194cf429d93c41bfe5f79
- https://git.kernel.org/stable/c/c1d1ec4db5f7264cfc21993e59e8f2dcecf4b44f
- https://git.kernel.org/stable/c/87a270625a89fc841f1a7e21aae6176543d8385c
References
- https://git.kernel.org/stable/c/ac61b9c6c0549aaeb98194cf429d93c41bfe5f79
- https://git.kernel.org/stable/c/c1d1ec4db5f7264cfc21993e59e8f2dcecf4b44f
- https://git.kernel.org/stable/c/87a270625a89fc841f1a7e21aae6176543d8385c
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