305 lines
15 KiB
JSON
305 lines
15 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2023-53388",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2025-09-17T14:54:09.737Z",
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"datePublished": "2025-09-18T13:33:31.385Z",
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"dateUpdated": "2026-08-05T09:13:51.568Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-08-05T09:13:51.568Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/mediatek: Clean dangling pointer on bind error path\n\nmtk_drm_bind() can fail, in which case drm_dev_put() is called,\ndestroying the drm_device object. However a pointer to it was still\nbeing held in the private object, and that pointer would be passed along\nto DRM in mtk_drm_sys_prepare() if a suspend were triggered at that\npoint, resulting in a panic. Clean the pointer when destroying the\nobject in the error path to prevent this from happening."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7.8,
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"baseSeverity": "HIGH"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "AV:L - The dangling pointer is created in mtk_drm_bind() in the local Mediatek SoC DRM driver and consumed by mtk_drm_sys_prepare() on system sleep; there is no network or adjacent-protocol path into this component-master bind/PM path.\nAC:L - Once mtk_drm_bind() has failed (including common deferred-probe EPROBE_DEFER failures while components assemble), private->drm remains a non-NULL freed pointer and the next system suspend deterministically enters drm_mode_config_helper_suspend() on that object with no race the attacker must win.\nPR:L - On the primary MediaTek deployments (phones, Chromebooks, embedded), an ordinary local user can be present while opportunistic/autosleep suspend runs the vulnerable prepare callback; reaching this path does not require capabilities that are only available in the init user namespace.\nUI:N - After the bind error leaves the dangling pointer, system autosuspend or an attacker-driven sleep transition invokes mtk_drm_sys_prepare() without any separate victim action such as opening a file or plugging a device.\nS:U - The use-after-free corrupts kernel heap state within the host kernel's security authority and does not cross a VM, IOMMU, or sandbox boundary.\nC:H - drm_dev_put() frees the kzalloc'd drm_device while private->drm still references it; suspend then reads many fields through that object (poll state, client suspend, atomic state), so heap reuse yields a use-after-free read primitive.\nI:H - The same freed drm_device is walked by drm_mode_config_helper_suspend()/drm_atomic_helper_suspend(), so spraying the reclaimed slab provides write and control-flow hijack primitives typical of large-object kernel UAFs.\nA:H - The fix commit and related KASAN reports document a kernel panic/oops when the dangling drm_device pointer is used on suspend/shutdown, which is a full availability loss."
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}
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]
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/gpu/drm/mediatek/mtk_drm_drv.c"
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],
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"versions": [
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{
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"version": "119f5173628aa7a0c3cf9db83460d40709e8241d",
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"lessThan": "9a48f99aa7bea15e0b1d8b0040c46b4792eddf3b",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "119f5173628aa7a0c3cf9db83460d40709e8241d",
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"lessThan": "a161f1d92aabb3b8463f752bdc3474dc3a5ec0e5",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "119f5173628aa7a0c3cf9db83460d40709e8241d",
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"lessThan": "6a89ddee1686a8872384aaa9f0bcfa6b675acd86",
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"status": "affected",
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},
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{
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"version": "119f5173628aa7a0c3cf9db83460d40709e8241d",
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"lessThan": "49cf87919daeeeeeb9e924c39bdd9203af434461",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "119f5173628aa7a0c3cf9db83460d40709e8241d",
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"lessThan": "7b551a501fa714890e55bae73efede1185728d72",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "119f5173628aa7a0c3cf9db83460d40709e8241d",
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"lessThan": "f3887c771576c5d740c5c5b8bf654a8ab8020b7d",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "119f5173628aa7a0c3cf9db83460d40709e8241d",
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"lessThan": "36aa8c61af55675ed967900fbe5deb32d776f051",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/gpu/drm/mediatek/mtk_drm_drv.c"
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],
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"versions": [
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{
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"version": "4.7",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "4.7",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "4.19.276",
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"lessThanOrEqual": "4.19.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.4.235",
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"lessThanOrEqual": "5.4.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.10.173",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.99",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.16",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.2.3",
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"lessThanOrEqual": "6.2.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.3",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.7",
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/9a48f99aa7bea15e0b1d8b0040c46b4792eddf3b"
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},
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{
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"url": "https://git.kernel.org/stable/c/a161f1d92aabb3b8463f752bdc3474dc3a5ec0e5"
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},
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{
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"url": "https://git.kernel.org/stable/c/6a89ddee1686a8872384aaa9f0bcfa6b675acd86"
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},
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{
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"url": "https://git.kernel.org/stable/c/49cf87919daeeeeeb9e924c39bdd9203af434461"
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},
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{
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"url": "https://git.kernel.org/stable/c/7b551a501fa714890e55bae73efede1185728d72"
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},
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{
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"url": "https://git.kernel.org/stable/c/f3887c771576c5d740c5c5b8bf654a8ab8020b7d"
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},
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{
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"url": "https://git.kernel.org/stable/c/36aa8c61af55675ed967900fbe5deb32d776f051"
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}
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],
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"title": "drm/mediatek: Clean dangling pointer on bind error path",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 7.8,
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"attackVector": "LOCAL",
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"baseSeverity": "HIGH",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"integrityImpact": "HIGH",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"confidentialityImpact": "HIGH"
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}
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},
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2023-53388",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-01-14T18:58:21.448763Z"
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}
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}
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-416",
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"description": "CWE-416 Use After Free"
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}
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]
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-01-14T19:03:05.206Z"
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}
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}
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]
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}
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} |