{"api_version":"1","generated_at":"2026-09-25T07:54:39+00:00","cve":"CVE-2026-93236","urls":{"html":"https://cve.report/CVE-2026-93236","api":"https://cve.report/api/cve/CVE-2026-93236.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-93236","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-93236"},"summary":{"title":"media: meson: vdec: fix NULL pointer deref in vdec_try_fmt_common","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-24 16:17:19","updated_at":"2026-09-24 16:17:19"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/20aa934ace6917262ff579a73ec018d06a7bad1c","name":"https://git.kernel.org/stable/c/20aa934ace6917262ff579a73ec018d06a7bad1c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f2375a308640e401c142c5426d52c3d10e016d25","name":"https://git.kernel.org/stable/c/f2375a308640e401c142c5426d52c3d10e016d25","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3839b6be2279fc4f558723f2c0fbfc9c42070958","name":"https://git.kernel.org/stable/c/3839b6be2279fc4f558723f2c0fbfc9c42070958","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d61ba609c3226af3c84268ba606ea06ee63e511b","name":"https://git.kernel.org/stable/c/d61ba609c3226af3c84268ba606ea06ee63e511b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c620906fb1b2ad75d408ea9d06040d66952d4a31","name":"https://git.kernel.org/stable/c/c620906fb1b2ad75d408ea9d06040d66952d4a31","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/96dafbae77f50bfe2228bcfedcd8652c5e5f08e8","name":"https://git.kernel.org/stable/c/96dafbae77f50bfe2228bcfedcd8652c5e5f08e8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/276f28672bb6d5d5feca78db4219c7b5adf1be26","name":"https://git.kernel.org/stable/c/276f28672bb6d5d5feca78db4219c7b5adf1be26","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/680a89683197cdfe4e03e6fd7755454c647d39c1","name":"https://git.kernel.org/stable/c/680a89683197cdfe4e03e6fd7755454c647d39c1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93236","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93236","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3e7f51bd96077acad6acd7b45668f65b44233c4e 276f28672bb6d5d5feca78db4219c7b5adf1be26 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3e7f51bd96077acad6acd7b45668f65b44233c4e c620906fb1b2ad75d408ea9d06040d66952d4a31 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3e7f51bd96077acad6acd7b45668f65b44233c4e 3839b6be2279fc4f558723f2c0fbfc9c42070958 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3e7f51bd96077acad6acd7b45668f65b44233c4e 680a89683197cdfe4e03e6fd7755454c647d39c1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.221 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.188 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.157 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.51 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.5 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/staging/media/meson/vdec/vdec.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"276f28672bb6d5d5feca78db4219c7b5adf1be26","status":"affected","version":"3e7f51bd96077acad6acd7b45668f65b44233c4e","versionType":"git"},{"lessThan":"c620906fb1b2ad75d408ea9d06040d66952d4a31","status":"affected","version":"3e7f51bd96077acad6acd7b45668f65b44233c4e","versionType":"git"},{"lessThan":"3839b6be2279fc4f558723f2c0fbfc9c42070958","status":"affected","version":"3e7f51bd96077acad6acd7b45668f65b44233c4e","versionType":"git"},{"lessThan":"680a89683197cdfe4e03e6fd7755454c647d39c1","status":"affected","version":"3e7f51bd96077acad6acd7b45668f65b44233c4e","versionType":"git"},{"lessThan":"f2375a308640e401c142c5426d52c3d10e016d25","status":"affected","version":"3e7f51bd96077acad6acd7b45668f65b44233c4e","versionType":"git"},{"lessThan":"96dafbae77f50bfe2228bcfedcd8652c5e5f08e8","status":"affected","version":"3e7f51bd96077acad6acd7b45668f65b44233c4e","versionType":"git"},{"lessThan":"d61ba609c3226af3c84268ba606ea06ee63e511b","status":"affected","version":"3e7f51bd96077acad6acd7b45668f65b44233c4e","versionType":"git"},{"lessThan":"20aa934ace6917262ff579a73ec018d06a7bad1c","status":"affected","version":"3e7f51bd96077acad6acd7b45668f65b44233c4e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/staging/media/meson/vdec/vdec.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.3"},{"lessThan":"5.3","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.270","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.221","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.188","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.157","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.51","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.270","versionStartIncluding":"5.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.221","versionStartIncluding":"5.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.188","versionStartIncluding":"5.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"5.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"5.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.51","versionStartIncluding":"5.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.5","versionStartIncluding":"5.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"5.3","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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."}],"providerMetadata":{"dateUpdated":"2026-09-24T15:33:35.013Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/276f28672bb6d5d5feca78db4219c7b5adf1be26"},{"url":"https://git.kernel.org/stable/c/c620906fb1b2ad75d408ea9d06040d66952d4a31"},{"url":"https://git.kernel.org/stable/c/3839b6be2279fc4f558723f2c0fbfc9c42070958"},{"url":"https://git.kernel.org/stable/c/680a89683197cdfe4e03e6fd7755454c647d39c1"},{"url":"https://git.kernel.org/stable/c/f2375a308640e401c142c5426d52c3d10e016d25"},{"url":"https://git.kernel.org/stable/c/96dafbae77f50bfe2228bcfedcd8652c5e5f08e8"},{"url":"https://git.kernel.org/stable/c/d61ba609c3226af3c84268ba606ea06ee63e511b"},{"url":"https://git.kernel.org/stable/c/20aa934ace6917262ff579a73ec018d06a7bad1c"}],"title":"media: meson: vdec: fix NULL pointer deref in vdec_try_fmt_common","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-93236","datePublished":"2026-09-24T15:33:35.013Z","dateReserved":"2026-09-17T16:02:15.095Z","dateUpdated":"2026-09-24T15:33:35.013Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-24 16:17:19","lastModifiedDate":"2026-09-24 16:17:19","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"93236","Ordinal":"1","Title":"media: meson: vdec: fix NULL pointer deref in vdec_try_fmt_commo","CVE":"CVE-2026-93236","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"93236","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"media: meson: vdec: fix NULL pointer deref in vdec_try_fmt_commo"}]}}}