CVE-2022-50889
Published Dec 30, 2025
Modified Apr 15, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: dm integrity: Fix UAF in dm_integrity_dtr() Dm_integrity also has the same UAF problem when dm_resume() and dm_destroy() are concurrent. Therefore, cancelling timer again in dm_integrity_dtr().
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References
Other References
https://git.kernel.org/stable/c/792e51aac376cfb5bd527c2a30826223b82dd177
https://git.kernel.org/stable/c/9215b25f2e105032114e9b92c9783a2a84ee8af9
https://git.kernel.org/stable/c/9f8e1e54a3a424c6c4fb8742e094789d3ec91e42
https://git.kernel.org/stable/c/a506b5c92757b034034ef683e667bffc456c600b
https://git.kernel.org/stable/c/b6c93cd61afab061d80cc842333abca97b289774
https://git.kernel.org/stable/c/f50cb2cbabd6c4a60add93d72451728f86e4791c
Frequently Asked Questions
What is CVE-2022-50889? +
In the Linux kernel, the following vulnerability has been resolved:
dm integrity: Fix UAF in dm_integrity_dtr()
Dm_integrity also has the same UAF problem when dm_resume()
and dm_destroy() are concurrent.
Therefore, cancelling timer again in dm_integrity_dtr().
How do I check if I'm vulnerable to CVE-2022-50889? +
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.