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. Fix it.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:5.16:rc1::::::
	cpe:2.3:o:linux:linux_kernel:5.16:rc2::::::
	cpe:2.3:o:linux:linux_kernel:5.16:rc3::::::
	cpe:2.3:o:linux:linux_kernel:5.16:rc4::::::
	cpe:2.3:o:linux:linux_kernel:5.16:rc5::::::
	cpe:2.3:o:linux:linux_kernel:5.16:rc6::::::

History

No history.

Information

Published : 2024-03-04 18:15

Updated : 2025-02-03 13:42

NVD link : CVE-2021-47091

Mitre link : CVE-2021-47091

CVE.ORG link : CVE-2021-47091

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-667

Improper Locking

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