CVE-2022-50643

CVE-2022-50643 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: cifs: Fix xid leak in cifs_copy_file_range() If the file is used by swap, before return -EOPNOTSUPP, should free the xid, otherwise, the xid will be leaked.

Frequently asked questions

What is CVE-2022-50643?
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix xid leak in cifs_copy_file_range() If the file is used by swap, before return -EOPNOTSUPP, should free the xid, otherwise, the xid will be leaked.
Is CVE-2022-50643 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2022-50643?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2022-50643 have an EU (EUVD) identifier?
Yes. CVE-2022-50643 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-55713.
When was CVE-2022-50643 published?
CVE-2022-50643 was published on 2025-12-09 and last updated on 2026-06-17.

References