{"id":"CVE-2023-53113","summary":"wifi: nl80211: fix NULL-ptr deref in offchan check","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: nl80211: fix NULL-ptr deref in offchan check\n\nIf, e.g. in AP mode, the link was already created by userspace\nbut not activated yet, it has a chandef but the chandef isn't\nvalid and has no channel. Check for this and ignore this link.","modified":"2026-03-20T12:32:58.335179Z","published":"2025-05-02T15:55:52.393Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53113.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/201a836c2385fdd2b9d0a8e7737bba5b26f1863a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/87e80ea4fbc9ce2f2005905fdbcd38baaa47463a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f624bb6fad23df3270580b4fcef415c6e7bf7705"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53113.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53113"},{"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":"7b0a0e3c3a88260b6fcb017e49f198463aa62ed1"},{"fixed":"87e80ea4fbc9ce2f2005905fdbcd38baaa47463a"},{"fixed":"201a836c2385fdd2b9d0a8e7737bba5b26f1863a"},{"fixed":"f624bb6fad23df3270580b4fcef415c6e7bf7705"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"7a53ad13c09150076b7ddde96c2dfc5622c90b45"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-53113.json"}}],"schema_version":"1.7.5"}