{"schema":"threatline.record/2","record":{"id":"CVE-2026-93236","aliases":[],"summary":"media: meson: vdec: fix NULL pointer deref in vdec_try_fmt_common","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: meson: vdec: fix NULL pointer deref in vdec_try_fmt_common\n\nWhen VIDIOC_TRY_FMT is called with an unsupported pixel format on the\nOUTPUT queue, vdec_try_fmt_common() falls back to V4L2_PIX_FMT_MPEG2.\nHowever, if a distro has locally patched MPEG2 support out (as it has\nbeen broken for some time) the platform format table does not contain\nMPEG2 so find_format() returns NULL and the subsequent dereference of\nfmt_out->max_width triggers a NULL pointer dereference.\n\nFix this by falling back to the first format in the platform's format\narray instead of hardcoding V4L2_PIX_FMT_MPEG2. This is always valid\nsince every platform defines at least one format.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93236","source_modified_at":"2026-10-19T09:07:47.914Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"3e7f51bd96077acad6acd7b45668f65b44233c4e","lessThan":"276f28672bb6d5d5feca78db4219c7b5adf1be26","status":"affected","versionType":"git"},{"version":"3e7f51bd96077acad6acd7b45668f65b44233c4e","lessThan":"c620906fb1b2ad75d408ea9d06040d66952d4a31","status":"affected","versionType":"git"},{"version":"3e7f51bd96077acad6acd7b45668f65b44233c4e","lessThan":"3839b6be2279fc4f558723f2c0fbfc9c42070958","status":"affected","versionType":"git"},{"version":"3e7f51bd96077acad6acd7b45668f65b44233c4e","lessThan":"680a89683197cdfe4e03e6fd7755454c647d39c1","status":"affected","versionType":"git"},{"version":"3e7f51bd96077acad6acd7b45668f65b44233c4e","lessThan":"f2375a308640e401c142c5426d52c3d10e016d25","status":"affected","versionType":"git"},{"version":"3e7f51bd96077acad6acd7b45668f65b44233c4e","lessThan":"96dafbae77f50bfe2228bcfedcd8652c5e5f08e8","status":"affected","versionType":"git"},{"version":"3e7f51bd96077acad6acd7b45668f65b44233c4e","lessThan":"d61ba609c3226af3c84268ba606ea06ee63e511b","status":"affected","versionType":"git"},{"version":"3e7f51bd96077acad6acd7b45668f65b44233c4e","lessThan":"20aa934ace6917262ff579a73ec018d06a7bad1c","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93236","source_modified_at":"2026-10-19T09:07:47.914Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"5.3","status":"affected"},{"version":"0","lessThan":"5.3","status":"unaffected","versionType":"semver"},{"version":"5.10.270","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.221","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.188","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.157","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.110","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.51","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.5","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93236","source_modified_at":"2026-10-19T09:07:47.914Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"276f28672bb6d5d5feca78db4219c7b5adf1be26","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93236","source_modified_at":"2026-10-19T09:07:47.914Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"3839b6be2279fc4f558723f2c0fbfc9c42070958","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93236","source_modified_at":"2026-10-19T09:07:47.914Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"680a89683197cdfe4e03e6fd7755454c647d39c1","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93236","source_modified_at":"2026-10-19T09:07:47.914Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"96dafbae77f50bfe2228bcfedcd8652c5e5f08e8","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93236","source_modified_at":"2026-10-19T09:07:47.914Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"20aa934ace6917262ff579a73ec018d06a7bad1c","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.0021,"percentile":0.10701,"score_date":"2026-10-23"},"published_at":"2026-09-24T15:33:35.013Z","modified_at":"2026-10-19T09:07:47.914Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-93236","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:07:47.914Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-93236","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/276f28672bb6d5d5feca78db4219c7b5adf1be26"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/c620906fb1b2ad75d408ea9d06040d66952d4a31"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/3839b6be2279fc4f558723f2c0fbfc9c42070958"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/680a89683197cdfe4e03e6fd7755454c647d39c1"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/f2375a308640e401c142c5426d52c3d10e016d25"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/96dafbae77f50bfe2228bcfedcd8652c5e5f08e8"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/d61ba609c3226af3c84268ba606ea06ee63e511b"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/20aa934ace6917262ff579a73ec018d06a7bad1c"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-19T09:07:47.914Z","content_hash":"97841ae863c6e3961288978c2c2ef8293ddb34df03a1653bf7a8a82bcabdc7cd"}}