CVE-2022-50496

dm cache: Fix UAF in destroy()

published October 4, 2025

CVSS
—
EPSS
0%
Percentile
5.7
In the wild
Unconfirmed
What it is

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().

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00167 · 5.7th percentile
Published
2025-10-04T15:43Z
EPSS history
Timeline
  • 04 OCT 15:43Z
    dm cache: Fix UAF in destroy()
    cvelistv5