302 lines
14 KiB
JSON
302 lines
14 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-2023-52662",
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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": "2024-03-07T14:49:46.885Z",
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"datePublished": "2024-05-17T13:41:02.183Z",
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"dateUpdated": "2026-08-05T09:10:54.337Z"
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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": "2026-08-05T09:10:54.337Z"
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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/vmwgfx: fix a memleak in vmw_gmrid_man_get_node\n\nWhen ida_alloc_max fails, resources allocated before should be freed,\nincluding *res allocated by kmalloc and ttm_resource_init."
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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 vulnerable GMR/MOB ID allocator is reached only via local DRM ioctls on the vmwgfx device (e.g. DRM_VMW_GB_SURFACE_CREATE / surface validate into VMW_PL_MOB), not via network packet processing.\nAC:L - An attacker can reliably exhaust the finite MOB/GMR ID space (~53K IDs) with repeated small surface/buffer allocations, after which each failed ida_alloc_max path leaks an LRU-linked resource under full attacker control.\nPR:L - The triggering ioctls are marked DRM_RENDER_ALLOW and are usable by an unprivileged local user with access to the DRM render node (/dev/dri/renderD*), without CAP_SYS_ADMIN or DRM master.\nUI:N - Exploitation requires only the attacker's own open/ioctl sequence against the render node; no action by another user is needed.\nS:U - Impact is confined to the guest kernel's TTM/DRM authority (memory leak and UAF in the same kernel); this does not cross a VM/host or other security boundary by itself.\nC:H - Skipping ttm_resource_fini leaves an orphaned ttm_resource on the manager LRU with a raw pointer to the BO; after the BO is freed, eviction/LRU walks (ttm_mem_evict_first) dereference the dangling res->bo, yielding a UAF that can be leveraged for arbitrary read.\nI:H - The same orphaned-LRU UAF against a freed BO is exploitable for heap reuse and write/control-flow hijacking primitives once the attacker triggers eviction after destroying the referenced buffer object.\nA:H - The UAF on LRU walk can oops/panic the kernel, and the unbounded per-failure leak of ttm_resource objects after ID exhaustion can also drive the system to OOM."
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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/vmwgfx/vmwgfx_gmrid_manager.c"
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],
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"versions": [
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{
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"version": "d3bcb4b02fe977d6b7a82dbb6288e9223b5b6732",
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"lessThan": "03b1072616a8f7d6e8594f643b416a9467c83fbf",
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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": "d3bcb4b02fe977d6b7a82dbb6288e9223b5b6732",
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"lessThan": "40624af6674745e174c754a20d7c53c250e65e7a",
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"status": "affected",
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"status": "affected",
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{
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"status": "affected",
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"versionType": "git"
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{
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"status": "affected",
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"status": "affected",
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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/vmwgfx/vmwgfx_gmrid_manager.c"
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],
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"versions": [
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{
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"version": "5.14",
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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": "5.14",
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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": "5.15.153",
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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": "6.1.83",
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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": "6.6.23",
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"lessThanOrEqual": "6.6.*",
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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": "6.7.11",
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"lessThanOrEqual": "6.7.*",
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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": "6.8.2",
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"lessThanOrEqual": "6.8.*",
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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": "6.9",
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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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"url": "https://git.kernel.org/stable/c/89709105a6091948ffb6ec2427954cbfe45358ce"
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"title": "drm/vmwgfx: fix a memleak in vmw_gmrid_man_get_node",
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