CVE-2026-93236

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-93236", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-17T16:02:15.095Z", "datePublished": "2026-09-24T15:33:35.013Z", "dateUpdated": "2026-10-19T09:07:47.914Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:07:47.914Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/staging/media/meson/vdec/vdec.c"], "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"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/staging/media/meson/vdec/vdec.c"], "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"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "5.10.270"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "5.15.221"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.1.188"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.6.157"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.18.51"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "7.2.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "7.3"}]}]}], "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"}}}}

{}

{"affected": [{"affectedData": [{"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", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-93236", "lastModified": "2026-10-19T10:17:14.663", "metrics": {}, "published": "2026-09-24T16:17:19.297", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/20aa934ace6917262ff579a73ec018d06a7bad1c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/276f28672bb6d5d5feca78db4219c7b5adf1be26"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3839b6be2279fc4f558723f2c0fbfc9c42070958"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/680a89683197cdfe4e03e6fd7755454c647d39c1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/96dafbae77f50bfe2228bcfedcd8652c5e5f08e8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c620906fb1b2ad75d408ea9d06040d66952d4a31"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d61ba609c3226af3c84268ba606ea06ee63e511b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f2375a308640e401c142c5426d52c3d10e016d25"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

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