Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: io_uring/waitid: always prune wait queue entry in io_waitid_wait() For a successful return, always remove our entry from the wait queue entry list. Previously this was skipped if a cancelation was in progress, but this can race with another invocation of the wait queue entry callback.
CVSS Score
HIGH
References
- https://git.kernel.org/stable/c/2f8229d53d984c6a05b71ac9e9583d4354e3b91f
- https://git.kernel.org/stable/c/3e2205db2f0608898d535da1964e1b376aacfdaa
- https://git.kernel.org/stable/c/696ba6032081e617564a8113a001b8d7943cb928
FAQ
What is CVE-2025-40047?
CVE-2025-40047 is a vulnerability with a CVSS score of 7.8 (HIGH). In the Linux kernel, the following vulnerability has been resolved: io_uring/waitid: always prune wait queue entry in io_waitid_wait() For a successful return, always remove our entry from the wait ...
How severe is CVE-2025-40047?
CVE-2025-40047 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-40047?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.