CVE-2022-50496

HIGH

Linux Kernel - Use-After-Free in dm cache destroy()

Title source: llm
STIX 2.1

Description

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().

References (9)

Core 9

Scores

CVSS v3 7.8
EPSS 0.0015
EPSS Percentile 4.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (29)
linux/Kernel 3.9.0 - 4.9.337linux
linux/Kernel 4.10.0 - 4.14.303linux
linux/Kernel 4.15.0 - 4.19.270linux
linux/Kernel 4.20.0 - 5.4.229linux
linux/Kernel 5.11.0 - 5.15.87linux
linux/Kernel 5.16.0 - 6.0.18linux
linux/Kernel 5.5.0 - 5.10.163linux
linux/Kernel 6.1.0 - 6.1.4linux
Linux/Linux < 3.9
Linux/Linux 3.9
... and 19 more
Published Oct 04, 2025
Tracked Since Feb 18, 2026