242 lines
12 KiB
JSON
242 lines
12 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-2023-52930",
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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": "2024-08-21T06:07:11.019Z",
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"datePublished": "2025-03-27T16:37:12.302Z",
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"dateUpdated": "2026-08-05T09:12:06.760Z"
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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": "2026-08-05T09:12:06.760Z"
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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/i915: Fix potential bit_17 double-free\n\nA userspace with multiple threads racing I915_GEM_SET_TILING to set the\ntiling to I915_TILING_NONE could trigger a double free of the bit_17\nbitmask. (Or conversely leak memory on the transition to tiled.) Move\nallocation/free'ing of the bitmask within the section protected by the\nobj lock.\n\n[tursulin: Correct fixes tag and added cc stable.]\n(cherry picked from commit 10e0cbaaf1104f449d695c80bcacf930dcd3c42e)"
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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 bug is reached only via the local DRM ioctl I915_GEM_SET_TILING on /dev/dri/renderD* or card*, not via network packet processing or adjacent-link protocols.\nAC:L - An attacker fully controls both sides of the race by issuing concurrent I915_GEM_SET_TILING ioctls from multiple threads on the same GEM object after first establishing a tiled state that allocates bit_17.\nPR:L - I915_GEM_SET_TILING is DRM_RENDER_ALLOW and is usable by an unprivileged local user with access to an i915 render node; it does not require CAP_SYS_ADMIN, DRM_MASTER, or root in the init namespace.\nUI:N - Exploitation requires only the attacker's own ioctls and threads; no victim action such as opening a file or mounting a filesystem is needed.\nS:U - This is a host-kernel heap corruption bug within the same OS security authority and does not cross a VM, IOMMU, or other security boundary.\nC:H - A kernel heap double-free of the bit_17 bitmap enables classic allocator metadata corruption and use-after-free primitives that can be leveraged for arbitrary kernel memory disclosure.\nI:H - The same double-free/use-after-free heap corruption provides write primitives suitable for control-flow hijacking and arbitrary kernel memory modification / privilege escalation.\nA:H - Double-free of kernel heap memory can immediately oops/panic the kernel, and use-after-free paths similarly cause high-availability impact even when not fully exploited for code execution."
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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/i915/gem/i915_gem_tiling.c"
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],
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"versions": [
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{
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"version": "2850748ef8763ab46958e43a4d1c445f29eeb37d",
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"lessThan": "b591abac78e25269b12e3d7170c99463f8c5cb02",
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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": "2850748ef8763ab46958e43a4d1c445f29eeb37d",
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"lessThan": "e3ebc3e23bd9028a8a9a26cbc5985f99be445f65",
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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": "2850748ef8763ab46958e43a4d1c445f29eeb37d",
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"lessThan": "0769f997a7b6d5cb8336db0b4ec3d2d311b8097c",
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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": "2850748ef8763ab46958e43a4d1c445f29eeb37d",
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"lessThan": "7057a8f126f14f14b040faecfa220fd27c6c2f85",
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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/i915/gem/i915_gem_tiling.c"
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],
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"versions": [
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{
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"version": "5.5",
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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": "5.5",
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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": "5.10.168",
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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": "5.15.93",
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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": "6.1.11",
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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",
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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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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.5",
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"versionEndExcluding": "5.10.168"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.5",
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"versionEndExcluding": "5.15.93"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.5",
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"versionEndExcluding": "6.1.11"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.5",
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"versionEndExcluding": "6.2"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/b591abac78e25269b12e3d7170c99463f8c5cb02"
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},
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{
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"url": "https://git.kernel.org/stable/c/e3ebc3e23bd9028a8a9a26cbc5985f99be445f65"
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},
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{
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"url": "https://git.kernel.org/stable/c/0769f997a7b6d5cb8336db0b4ec3d2d311b8097c"
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},
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{
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"url": "https://git.kernel.org/stable/c/7057a8f126f14f14b040faecfa220fd27c6c2f85"
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}
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],
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"title": "drm/i915: Fix potential bit_17 double-free",
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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-2023-52930",
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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": "2025-10-01T19:25:16.883410Z"
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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-415",
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"description": "CWE-415 Double 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": "2025-10-01T19:26:36.577Z"
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}
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}
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]
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}
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} |