{"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":"2026-09-24T15:33:35.013Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-24T15:33:35.013Z"},"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-rc1","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-rc1"}]}]}],"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"}}}}