CVE-2022-50496

In the Linux kernel, the following vulnerability has been resolved: dm cache: Fix UAF in destroy() Dm_cache also has the same UAF problem when dm_resume() and dm_destroy() are concurrent. Therefore, cancelling timer again in destroy().

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/034cbc8d3b47a56acd89453c29632a9c117de09d	Patch
https://git.kernel.org/stable/c/2b17026685a270b2beaf1cdd9857fcedd3505c7e	Patch
https://git.kernel.org/stable/c/2f097dfac7579fd84ff98eb1d3acd41d53a485f3	Patch
https://git.kernel.org/stable/c/4d20032dd90664de09f2902a7ea49ae2f7771746	Patch
https://git.kernel.org/stable/c/6a3e412c2ab131c54945327a7676b006f000a209	Patch
https://git.kernel.org/stable/c/6a459d8edbdbe7b24db42a5a9f21e6aa9e00c2aa	Patch
https://git.kernel.org/stable/c/6ac4f36910764cb510bafc4c3768544f86ca48ca	Patch
https://git.kernel.org/stable/c/993406104d2b28fe470126a062ad37a1e21e792e	Patch
https://git.kernel.org/stable/c/d2a0b298ebf83ab6236f66788a3541e91ce75a70	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::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

No history.

Information

Published : 2025-10-04 16:15

Updated : 2026-01-22 19:06

NVD link : CVE-2022-50496

Mitre link : CVE-2022-50496

CVE.ORG link : CVE-2022-50496

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-416

Use After Free

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