{"id":"CVE-2023-54093","summary":"media: anysee: fix null-ptr-deref in anysee_master_xfer","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: anysee: fix null-ptr-deref in anysee_master_xfer\n\nIn anysee_master_xfer, msg is controlled by user. When msg[i].buf\nis null and msg[i].len is zero, former checks on msg[i].buf would be\npassed. Malicious data finally reach anysee_master_xfer. If accessing\nmsg[i].buf[0] without sanity check, null ptr deref would happen.\nWe add check on msg[i].len to prevent crash.\n\nSimilar commit:\ncommit 0ed554fd769a\n(\"media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()\")\n\n[hverkuil: add spaces around +]","modified":"2026-04-02T09:45:35.121849Z","published":"2025-12-24T13:06:21.774Z","related":["SUSE-SU-2026:0278-1","SUSE-SU-2026:0281-1","SUSE-SU-2026:0293-1","SUSE-SU-2026:0315-1","SUSE-SU-2026:20477-1","SUSE-SU-2026:20498-1","SUSE-SU-2026:20845-1","SUSE-SU-2026:20876-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54093.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/14b94154a72388b57221a2a73795c0ea61a95373"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3dd5846a873938ec7b6d404ec27662942cd8f2ef"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4a9763d2bc4a6d6fab42555b9c0b2eefa32585ac"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5975dbbb7ad0767eaabd15d2c37a739ac76acb00"},{"type":"WEB","url":"https://git.kernel.org/stable/c/73c0b224ceeba12dee2a7a8cbc147648da0b2e63"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8dc5b370254abc10f0cb4141d90cecf7ce465472"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c30411266fd67ea3c02a05c157231654d5a3bdc9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e04affec2506ff5c12a18d78d7e694b3556a8982"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54093.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-54093"},{"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":"a51e34dd6080d8d5c9e95a4e0292cd4cb889a61b"},{"fixed":"73c0b224ceeba12dee2a7a8cbc147648da0b2e63"},{"fixed":"e04affec2506ff5c12a18d78d7e694b3556a8982"},{"fixed":"8dc5b370254abc10f0cb4141d90cecf7ce465472"},{"fixed":"4a9763d2bc4a6d6fab42555b9c0b2eefa32585ac"},{"fixed":"3dd5846a873938ec7b6d404ec27662942cd8f2ef"},{"fixed":"14b94154a72388b57221a2a73795c0ea61a95373"},{"fixed":"5975dbbb7ad0767eaabd15d2c37a739ac76acb00"},{"fixed":"c30411266fd67ea3c02a05c157231654d5a3bdc9"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-54093.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.27"},{"fixed":"4.14.326"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.15.0"},{"fixed":"4.19.295"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.20.0"},{"fixed":"5.4.257"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.197"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.133"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.55"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.5.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-54093.json"}}],"schema_version":"1.7.5"}