{"id":"CVE-2024-36922","summary":"wifi: iwlwifi: read txq-\u003eread_ptr under lock","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: read txq-\u003eread_ptr under lock\n\nIf we read txq-\u003eread_ptr without lock, we can read the same\nvalue twice, then obtain the lock, and reclaim from there\nto two different places, but crucially reclaim the same\nentry twice, resulting in the WARN_ONCE() a little later.\nFix that by reading txq-\u003eread_ptr under lock.","modified":"2026-04-16T04:30:29.540735188Z","published":"2024-05-30T15:29:16.852Z","related":["ALSA-2024:5363","ALSA-2024:7000","SUSE-SU-2024:2135-1","SUSE-SU-2024:2203-1","SUSE-SU-2024:2802-1","SUSE-SU-2024:2896-1","SUSE-SU-2024:2973-1","SUSE-SU-2025:20008-1","SUSE-SU-2025:20028-1","SUSE-SU-2025:20166-1","SUSE-SU-2025:20249-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36922.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/43d07103df670484cdd26f9588eabef80f69db89"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b83db8e756dec68a950ed2f056248b1704b3deaa"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c2ace6300600c634553657785dfe5ea0ed688ac2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36922.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-36922"},{"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":"7b3e42ea2eadd41cc9d6363a9813b8ba8ab6f0e6"},{"fixed":"b83db8e756dec68a950ed2f056248b1704b3deaa"},{"fixed":"43d07103df670484cdd26f9588eabef80f69db89"},{"fixed":"c2ace6300600c634553657785dfe5ea0ed688ac2"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-36922.json"}}],"schema_version":"1.7.5"}