{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-68730", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T10:30:51.028Z", "datePublished": "2025-12-24T10:33:13.236Z", "dateUpdated": "2026-08-05T12:11:10.374Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:11:10.374Z" }, "descriptions": [ { "lang": "en", "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." } ], "metrics": [ { "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH" }, "scenarios": [ { "lang": "en", "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." } ] } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/accel/ivpu/ivpu_gem.c" ], "versions": [ { "version": "8d88e4cdce4f5c56de55174a4d32ea9c06f7fa66", "lessThan": "8172838a284c27190fa6782c2740a97020434750", "status": "affected", "versionType": "git" }, { "version": "8d88e4cdce4f5c56de55174a4d32ea9c06f7fa66", "lessThan": "c9ef5ccd8bd9bcf598b6d3f77e7eb4dde7149aec", "status": "affected", "versionType": "git" }, { "version": "8d88e4cdce4f5c56de55174a4d32ea9c06f7fa66", "lessThan": "8b694b405a84696f1d964f6da7cf9721e68c4714", "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/accel/ivpu/ivpu_gem.c" ], "versions": [ { "version": "6.8", "status": "affected" }, { "version": "0", "lessThan": "6.8", "status": "unaffected", "versionType": "semver" }, { "version": "6.17.13", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.18.2", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.19", "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": "6.8", "versionEndExcluding": "6.17.13" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.18.2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.19" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/8172838a284c27190fa6782c2740a97020434750" }, { "url": "https://git.kernel.org/stable/c/c9ef5ccd8bd9bcf598b6d3f77e7eb4dde7149aec" }, { "url": "https://git.kernel.org/stable/c/8b694b405a84696f1d964f6da7cf9721e68c4714" } ], "title": "accel/ivpu: Fix page fault in ivpu_bo_unbind_all_bos_from_context()", "x_generator": { "engine": "bippy-1.2.0" } } } }