180 lines
9.2 KiB
JSON
180 lines
9.2 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-2025-68730",
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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": "2025-12-24T10:30:51.028Z",
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"datePublished": "2025-12-24T10:33:13.236Z",
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"dateUpdated": "2026-10-21T12:38:24.802Z"
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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": "2026-10-21T12:38:24.802Z"
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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\naccel/ivpu: Fix page fault in ivpu_bo_unbind_all_bos_from_context()\n\nDon't add BO to the vdev->bo_list in ivpu_gem_create_object().\nWhen failure happens inside drm_gem_shmem_create(), the BO is not\nfully created and ivpu_gem_bo_free() callback will not be called\ncausing a deleted BO to be left on the list."
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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 attacker reaches the flaw through DRM_IOCTL_IVPU_BO_CREATE on a local /dev/accel/accel* device, followed by closing the descriptor to invoke vulnerable context teardown.\nAC:L - A page-aligned size of 0x8000000000000000 deterministically becomes a negative loff_t in shmem_file_setup(), forcing failure after the BO was linked; the attacker then directly triggers the UAF by closing the descriptor.\nPR:L - The ioctl has no DRM authentication, master, root-only, or capability requirement and is available to an ordinary user granted normal accelerator-device access.\nUI:N - The attacker independently issues the allocation ioctl and closes the descriptor; no action by another user is required.\nS:U - The dangling BO corrupts or exposes resources within the same host-kernel security authority and does not itself cross a VM or IOMMU isolation boundary.\nC:H - The freed BO can be reclaimed and sprayed before list traversal, making its reservation and other pointer fields attacker-influenced; this kernel-heap UAF can support arbitrary kernel-memory disclosure.\nI:H - Traversal performs locking and possible unbinding through attacker-influenced freed-object pointers, making arbitrary kernel writes or control-flow hijacking defensible.\nA:H - The stale BO is dereferenced during context teardown, producing the documented kernel page fault; controlled reallocation can also corrupt the list and cause an unbounded teardown loop."
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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/accel/ivpu/ivpu_gem.c"
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],
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"versions": [
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{
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"version": "8d88e4cdce4f5c56de55174a4d32ea9c06f7fa66",
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"lessThan": "9ad57ebd1249c7bbfe9a07ff5e0176dfa320cd62",
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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": "8d88e4cdce4f5c56de55174a4d32ea9c06f7fa66",
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"lessThan": "8172838a284c27190fa6782c2740a97020434750",
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"status": "affected",
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"status": "affected",
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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/accel/ivpu/ivpu_gem.c"
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],
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"versions": [
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{
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"version": "6.8",
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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": "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": "6.12.114",
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"lessThanOrEqual": "6.12.*",
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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": "6.17.13",
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"lessThanOrEqual": "6.17.*",
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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": "6.18.2",
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"lessThanOrEqual": "6.18.*",
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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": "6.19",
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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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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.8",
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"versionEndExcluding": "6.12.114"
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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/9ad57ebd1249c7bbfe9a07ff5e0176dfa320cd62"
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},
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{
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"url": "https://git.kernel.org/stable/c/8172838a284c27190fa6782c2740a97020434750"
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},
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{
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"url": "https://git.kernel.org/stable/c/c9ef5ccd8bd9bcf598b6d3f77e7eb4dde7149aec"
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},
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{
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"url": "https://git.kernel.org/stable/c/8b694b405a84696f1d964f6da7cf9721e68c4714"
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}
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],
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"title": "accel/ivpu: Fix page fault in ivpu_bo_unbind_all_bos_from_context()",
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