{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45956", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.088Z", "datePublished": "2026-05-27T12:18:11.972Z", "dateUpdated": "2026-05-30T10:41:50.860Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-30T10:41:50.860Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/exynos: vidi: use priv->vidi_dev for ctx lookup in vidi_connection_ioctl()\n\nvidi_connection_ioctl() retrieves the driver_data from drm_dev->dev to\nobtain a struct vidi_context pointer. However, drm_dev->dev is the\nexynos-drm master device, and the driver_data contained therein is not\nthe vidi component device, but a completely different device.\n\nThis can lead to various bugs, ranging from null pointer dereferences and\ngarbage value accesses to, in unlucky cases, out-of-bounds errors,\nuse-after-free errors, and more.\n\nTo resolve this issue, we need to store/delete the vidi device pointer in\nexynos_drm_private->vidi_dev during bind/unbind, and then read this\nexynos_drm_private->vidi_dev within ioctl() to obtain the correct\nstruct vidi_context pointer."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/exynos/exynos_drm_drv.h", "drivers/gpu/drm/exynos/exynos_drm_vidi.c"], "versions": [{"version": "cf67cc9a29ac19c98bc4fa0e6d14b0c1f592d322", "lessThan": "2987642c5213508c6c9e718324c0d5289a92c474", "status": "affected", "versionType": "git"}, {"version": "cf67cc9a29ac19c98bc4fa0e6d14b0c1f592d322", "lessThan": "65d1213baffa363f2eb1117b1dc7acc573b890f8", "status": "affected", "versionType": "git"}, {"version": "cf67cc9a29ac19c98bc4fa0e6d14b0c1f592d322", "lessThan": "875fa28690e93ed5296c31d3344556c6bb867234", "status": "affected", "versionType": "git"}, {"version": "cf67cc9a29ac19c98bc4fa0e6d14b0c1f592d322", "lessThan": "21ca24ba51a2c28bcc4df9d7e5a40b0eb66ab76d", "status": "affected", "versionType": "git"}, {"version": "cf67cc9a29ac19c98bc4fa0e6d14b0c1f592d322", "lessThan": "b5fc86d753dd4c281a943b92f0eef02d31af03d7", "status": "affected", "versionType": "git"}, {"version": "cf67cc9a29ac19c98bc4fa0e6d14b0c1f592d322", "lessThan": "a540f767642f75240a6c35f6a65b69e44cfcea9d", "status": "affected", "versionType": "git"}, {"version": "cf67cc9a29ac19c98bc4fa0e6d14b0c1f592d322", "lessThan": "d3968a0d85b211e197f2f4f06268a7031079e0d0", "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/exynos/exynos_drm_drv.h", "drivers/gpu/drm/exynos/exynos_drm_vidi.c"], "versions": [{"version": "4.3", "status": "affected"}, {"version": "0", "lessThan": "4.3", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.253", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.203", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.167", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.130", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.14", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.4", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "4.3", "versionEndExcluding": "5.10.253"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "5.15.203"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "6.1.167"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "6.6.130"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "6.18.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "6.19.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/2987642c5213508c6c9e718324c0d5289a92c474"}, {"url": "https://git.kernel.org/stable/c/65d1213baffa363f2eb1117b1dc7acc573b890f8"}, {"url": "https://git.kernel.org/stable/c/875fa28690e93ed5296c31d3344556c6bb867234"}, {"url": "https://git.kernel.org/stable/c/21ca24ba51a2c28bcc4df9d7e5a40b0eb66ab76d"}, {"url": "https://git.kernel.org/stable/c/b5fc86d753dd4c281a943b92f0eef02d31af03d7"}, {"url": "https://git.kernel.org/stable/c/a540f767642f75240a6c35f6a65b69e44cfcea9d"}, {"url": "https://git.kernel.org/stable/c/d3968a0d85b211e197f2f4f06268a7031079e0d0"}], "title": "drm/exynos: vidi: use priv->vidi_dev for ctx lookup in vidi_connection_ioctl()", "x_generator": {"engine": "bippy-1.2.0"}}}}