CVE-2022-50843

CVE-2022-50843 is a security vulnerability that is still awaiting full analysis and scoring. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

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().

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().
Is CVE-2022-50843 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2022-50843?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2022-50843 have an EU (EUVD) identifier?
Yes. CVE-2022-50843 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-55855.
When was CVE-2022-50843 published?
CVE-2022-50843 was published on 2025-12-30 and last updated on 2026-06-17.

References