{"id":"CVE-2023-54093","state":"PUBLISHED","title":"media: anysee: fix null-ptr-deref in anysee_master_xfer","description":"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 +]","publishedAt":"2025-12-24T13:06:21.774Z","updatedAt":"2026-05-11T19:55:21.360Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a51e34dd6080d8d5c9e95a4e0292cd4cb889a61b","status":"affected","lessThan":"73c0b224ceeba12dee2a7a8cbc147648da0b2e63","versionType":"git"},{"version":"a51e34dd6080d8d5c9e95a4e0292cd4cb889a61b","status":"affected","lessThan":"e04affec2506ff5c12a18d78d7e694b3556a8982","versionType":"git"},{"version":"a51e34dd6080d8d5c9e95a4e0292cd4cb889a61b","status":"affected","lessThan":"8dc5b370254abc10f0cb4141d90cecf7ce465472","versionType":"git"},{"version":"a51e34dd6080d8d5c9e95a4e0292cd4cb889a61b","status":"affected","lessThan":"4a9763d2bc4a6d6fab42555b9c0b2eefa32585ac","versionType":"git"},{"version":"a51e34dd6080d8d5c9e95a4e0292cd4cb889a61b","status":"affected","lessThan":"3dd5846a873938ec7b6d404ec27662942cd8f2ef","versionType":"git"},{"version":"a51e34dd6080d8d5c9e95a4e0292cd4cb889a61b","status":"affected","lessThan":"14b94154a72388b57221a2a73795c0ea61a95373","versionType":"git"},{"version":"a51e34dd6080d8d5c9e95a4e0292cd4cb889a61b","status":"affected","lessThan":"5975dbbb7ad0767eaabd15d2c37a739ac76acb00","versionType":"git"},{"version":"a51e34dd6080d8d5c9e95a4e0292cd4cb889a61b","status":"affected","lessThan":"c30411266fd67ea3c02a05c157231654d5a3bdc9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/dvb-usb-v2/anysee.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.27","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.27","versionType":"semver"},{"version":"4.14.326","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.295","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.257","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.197","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.133","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.55","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.5.5","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/dvb-usb-v2/anysee.c"]}],"references":["https://git.kernel.org/stable/c/73c0b224ceeba12dee2a7a8cbc147648da0b2e63","https://git.kernel.org/stable/c/e04affec2506ff5c12a18d78d7e694b3556a8982","https://git.kernel.org/stable/c/8dc5b370254abc10f0cb4141d90cecf7ce465472","https://git.kernel.org/stable/c/4a9763d2bc4a6d6fab42555b9c0b2eefa32585ac","https://git.kernel.org/stable/c/3dd5846a873938ec7b6d404ec27662942cd8f2ef","https://git.kernel.org/stable/c/14b94154a72388b57221a2a73795c0ea61a95373","https://git.kernel.org/stable/c/5975dbbb7ad0767eaabd15d2c37a739ac76acb00","https://git.kernel.org/stable/c/c30411266fd67ea3c02a05c157231654d5a3bdc9"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/54xxx/CVE-2023-54093.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-54093","state":"PUBLISHED","datePublished":"2025-12-24T13:06:21.774Z","dateUpdated":"2026-05-11T19:55:21.360Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-24T13:02:52.516Z"},"containers":{"cna":{"title":"media: anysee: fix null-ptr-deref in anysee_master_xfer","descriptions":[{"lang":"en","value":"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 +]"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a51e34dd6080d8d5c9e95a4e0292cd4cb889a61b","status":"affected","lessThan":"73c0b224ceeba12dee2a7a8cbc147648da0b2e63","versionType":"git"},{"version":"a51e34dd6080d8d5c9e95a4e0292cd4cb889a61b","status":"affected","lessThan":"e04affec2506ff5c12a18d78d7e694b3556a8982","versionType":"git"},{"version":"a51e34dd6080d8d5c9e95a4e0292cd4cb889a61b","status":"affected","lessThan":"8dc5b370254abc10f0cb4141d90cecf7ce465472","versionType":"git"},{"version":"a51e34dd6080d8d5c9e95a4e0292cd4cb889a61b","status":"affected","lessThan":"4a9763d2bc4a6d6fab42555b9c0b2eefa32585ac","versionType":"git"},{"version":"a51e34dd6080d8d5c9e95a4e0292cd4cb889a61b","status":"affected","lessThan":"3dd5846a873938ec7b6d404ec27662942cd8f2ef","versionType":"git"},{"version":"a51e34dd6080d8d5c9e95a4e0292cd4cb889a61b","status":"affected","lessThan":"14b94154a72388b57221a2a73795c0ea61a95373","versionType":"git"},{"version":"a51e34dd6080d8d5c9e95a4e0292cd4cb889a61b","status":"affected","lessThan":"5975dbbb7ad0767eaabd15d2c37a739ac76acb00","versionType":"git"},{"version":"a51e34dd6080d8d5c9e95a4e0292cd4cb889a61b","status":"affected","lessThan":"c30411266fd67ea3c02a05c157231654d5a3bdc9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/dvb-usb-v2/anysee.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.27","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.27","versionType":"semver"},{"version":"4.14.326","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.295","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.257","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.197","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.133","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.55","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.5.5","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/dvb-usb-v2/anysee.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/73c0b224ceeba12dee2a7a8cbc147648da0b2e63"},{"url":"https://git.kernel.org/stable/c/e04affec2506ff5c12a18d78d7e694b3556a8982"},{"url":"https://git.kernel.org/stable/c/8dc5b370254abc10f0cb4141d90cecf7ce465472"},{"url":"https://git.kernel.org/stable/c/4a9763d2bc4a6d6fab42555b9c0b2eefa32585ac"},{"url":"https://git.kernel.org/stable/c/3dd5846a873938ec7b6d404ec27662942cd8f2ef"},{"url":"https://git.kernel.org/stable/c/14b94154a72388b57221a2a73795c0ea61a95373"},{"url":"https://git.kernel.org/stable/c/5975dbbb7ad0767eaabd15d2c37a739ac76acb00"},{"url":"https://git.kernel.org/stable/c/c30411266fd67ea3c02a05c157231654d5a3bdc9"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:55:21.360Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"4.14.326"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"4.19.295"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"5.4.257"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"5.10.197"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"5.15.133"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"6.1.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"6.5.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"6.6"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}