io_uring/waitid: always prune wait queue entry in io_waitid_wait()
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.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/2f8229d53d984c6a05b71ac9e9583d4354e3b91f
- https://git.kernel.org/stable/c/3e2205db2f0608898d535da1964e1b376aacfdaa
- https://git.kernel.org/stable/c/696ba6032081e617564a8113a001b8d7943cb928
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40047.json
- https://nvd.nist.gov/vuln/detail/CVE-2025-40047