CVE-2022-50496

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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().

7.8 /10

CVSS v3 : HIGH

V3 Legend

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

22 Jan 2026, 19:06

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
References () https://git.kernel.org/stable/c/034cbc8d3b47a56acd89453c29632a9c117de09d - () https://git.kernel.org/stable/c/034cbc8d3b47a56acd89453c29632a9c117de09d - Patch
References () https://git.kernel.org/stable/c/2b17026685a270b2beaf1cdd9857fcedd3505c7e - () https://git.kernel.org/stable/c/2b17026685a270b2beaf1cdd9857fcedd3505c7e - Patch
References () https://git.kernel.org/stable/c/2f097dfac7579fd84ff98eb1d3acd41d53a485f3 - () https://git.kernel.org/stable/c/2f097dfac7579fd84ff98eb1d3acd41d53a485f3 - Patch
References () https://git.kernel.org/stable/c/4d20032dd90664de09f2902a7ea49ae2f7771746 - () https://git.kernel.org/stable/c/4d20032dd90664de09f2902a7ea49ae2f7771746 - Patch
References () https://git.kernel.org/stable/c/6a3e412c2ab131c54945327a7676b006f000a209 - () https://git.kernel.org/stable/c/6a3e412c2ab131c54945327a7676b006f000a209 - Patch
References () https://git.kernel.org/stable/c/6a459d8edbdbe7b24db42a5a9f21e6aa9e00c2aa - () https://git.kernel.org/stable/c/6a459d8edbdbe7b24db42a5a9f21e6aa9e00c2aa - Patch
References () https://git.kernel.org/stable/c/6ac4f36910764cb510bafc4c3768544f86ca48ca - () https://git.kernel.org/stable/c/6ac4f36910764cb510bafc4c3768544f86ca48ca - Patch
References () https://git.kernel.org/stable/c/993406104d2b28fe470126a062ad37a1e21e792e - () https://git.kernel.org/stable/c/993406104d2b28fe470126a062ad37a1e21e792e - Patch
References () https://git.kernel.org/stable/c/d2a0b298ebf83ab6236f66788a3541e91ce75a70 - () https://git.kernel.org/stable/c/d2a0b298ebf83ab6236f66788a3541e91ce75a70 - Patch
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.8
CWE CWE-416
First Time Linux
Linux linux Kernel

04 Oct 2025, 16:15

Type Values Removed Values Added
New CVE
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