{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-68303","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-07-30T09:28:09.381Z","datePublished":"2026-08-10T12:02:37.512Z","dateUpdated":"2026-09-21T13:13:41.482Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-21T13:13:41.482Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vc4: hvs/v3d: Fix null dereference in unbind\n\nThe hvs and v3d drivers use dev_get_drvdata(master) in their unbind\nfunctions. Since the vc4-drm gets removed before its dependent drivers\n(vc4_hvs/vc4_v3d) the vc4_hvs_unbind/vc4_v3d_unbind functions try to\nget drvdata of its master and fails with a null dereference error.\n\nUse the data pointer passed to the unbind functions directly instead of\ndev_get_drvdata(master). This avoids using potentially freed memory."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/vc4/vc4_hvs.c","drivers/gpu/drm/vc4/vc4_v3d.c"],"versions":[{"version":"c8b75bca92cbf064b9fa125fc74a85994452e935","lessThan":"8f62aae059e06746a18a00af27179c3c0f17f4c7","status":"affected","versionType":"git"},{"version":"c8b75bca92cbf064b9fa125fc74a85994452e935","lessThan":"708688ec31ac6b35103ba364dc300a09930079d4","status":"affected","versionType":"git"},{"version":"c8b75bca92cbf064b9fa125fc74a85994452e935","lessThan":"261f0a3f0ac03248284f5116d3258f89c9642215","status":"affected","versionType":"git"},{"version":"c8b75bca92cbf064b9fa125fc74a85994452e935","lessThan":"7dc3680b7ffe01add3e9299fde8471d2dd53a8ae","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/gpu/drm/vc4/vc4_hvs.c","drivers/gpu/drm/vc4/vc4_v3d.c"],"versions":[{"version":"4.4","status":"affected"},{"version":"0","lessThan":"4.4","status":"unaffected","versionType":"semver"},{"version":"6.12.111","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.53","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.6","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","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":"4.4","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"7.1.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/8f62aae059e06746a18a00af27179c3c0f17f4c7"},{"url":"https://git.kernel.org/stable/c/708688ec31ac6b35103ba364dc300a09930079d4"},{"url":"https://git.kernel.org/stable/c/261f0a3f0ac03248284f5116d3258f89c9642215"},{"url":"https://git.kernel.org/stable/c/7dc3680b7ffe01add3e9299fde8471d2dd53a8ae"}],"title":"drm/vc4: hvs/v3d: Fix null dereference in unbind","x_generator":{"engine":"bippy-1.2.0"}}}}