{"id":"CVE-2025-40047","summary":"io_uring/waitid: always prune wait queue entry in io_waitid_wait()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/waitid: always prune wait queue entry in io_waitid_wait()\n\nFor a successful return, always remove our entry from the wait queue\nentry list. Previously this was skipped if a cancelation was in\nprogress, but this can race with another invocation of the wait queue\nentry callback.","modified":"2026-04-02T12:48:15.750759Z","published":"2025-10-28T11:48:24.625Z","related":["ALSA-2025:22854","SUSE-SU-2025:4393-1","SUSE-SU-2025:4516-1","SUSE-SU-2025:4517-1","SUSE-SU-2026:20012-1","SUSE-SU-2026:20015-1","SUSE-SU-2026:20021-1","openSUSE-SU-2025:15702-1","openSUSE-SU-2025:20172-1","openSUSE-SU-2026:10301-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40047.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2f8229d53d984c6a05b71ac9e9583d4354e3b91f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3e2205db2f0608898d535da1964e1b376aacfdaa"},{"type":"WEB","url":"https://git.kernel.org/stable/c/696ba6032081e617564a8113a001b8d7943cb928"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40047.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-40047"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"f31ecf671ddc498f20219453395794ff2383e06b"},{"fixed":"696ba6032081e617564a8113a001b8d7943cb928"},{"fixed":"3e2205db2f0608898d535da1964e1b376aacfdaa"},{"fixed":"2f8229d53d984c6a05b71ac9e9583d4354e3b91f"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-40047.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.53"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.17.3"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-40047.json"}}],"schema_version":"1.7.5"}