CVE-2022-50843
Published Dec 30, 2025
Modified Apr 15, 2026
Description
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().
Is your site exposed to CVE-2022-50843?
Run a free security scan — no signup, results in seconds.
References
Other References
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
Frequently Asked Questions
What is CVE-2022-50843? +
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().
How do I check if I'm vulnerable to CVE-2022-50843? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.