CVE-2022-50843
Not scored
dm clone: Fix UAF in clone_dtr()
In the Linux kernel, the following vulnerability has been resolved: dm clone: Fix UAF in clone_dtr() Dm_clone also has the same UAF problem when dm_resume() and dm_destroy() are concurrent. Therefore, cancelling timer again in clone_dtr().
Exploit probability
0.2%
Published
December 30, 2025
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2022-50843
View original source
In the Linux kernel, the following vulnerability has been resolved: dm clone: Fix UAF in clone_dtr() Dm_clone also has the same UAF problem when dm_resume() and dm_destroy() are concurrent. Therefore, cancelling timer again in clone_dtr().
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/342cfd8426dff4228e6c714bcb9fc8295a2748dd
- https://git.kernel.org/stable/c/520b56cfd9faee7683f081c3a38f11a81b13a68e
- https://git.kernel.org/stable/c/856edd0e92f3fe89606b704c86a93daedddfe6ec
- https://git.kernel.org/stable/c/9e113cd4f61f3b0000843b2d0a90ce8b40a1fcff
- https://git.kernel.org/stable/c/b1ddb666073bb5f36390aaabaa1a4d48d78c52ed
- https://git.kernel.org/stable/c/e4b5957c6f749a501c464f92792f1c8e26b61a94
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50843.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-50843