QwikSec

Security Database

CVE

CWE

Training

CVE Database
/

CVE-2025-40047

Back to search

CVE-2025-40047

Published: Oct 28, 2025

Modified: May 11, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
f31ecf671ddc498f20219453395794ff2383e06b - < 696ba6032081e617564a8113a001b8d7943cb928
affected
f31ecf671ddc498f20219453395794ff2383e06b - < 3e2205db2f0608898d535da1964e1b376aacfdaa
affected
f31ecf671ddc498f20219453395794ff2383e06b - < 2f8229d53d984c6a05b71ac9e9583d4354e3b91f

Linux

Linux

affected
6.7
unaffected
0 - < 6.7
unaffected
6.12.53 - <= 6.12.*
unaffected
6.17.3 - <= 6.17.*
unaffected
6.18 - <= *

References

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now