{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-99106", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.391Z", "datePublished": "2026-10-28T10:34:25.279Z", "dateUpdated": "2026-10-28T10:34:25.279Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-28T10:34:25.279Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: free the userptr ranges when a CS fails after parser_bos\n\namdgpu_cs_parser_bos() allocates an HMM range for every userptr entry of\nthe BO list and looks up the user pages. Those ranges are only freed when\namdgpu_cs_parser_bos() itself fails or when amdgpu_cs_submit() checks\nthem under the notifier lock. If amdgpu_cs_patch_jobs(),\namdgpu_cs_vm_handling(), amdgpu_cs_sync_rings() or the early part of\namdgpu_cs_submit() fails, nothing frees them: neither\namdgpu_cs_parser_fini() nor amdgpu_bo_list_free() touch e->range.\n\nEach such CS then leaks the range, its hmm_pfns array (8 bytes per page\nof the userptr BO) and the BO reference the range holds. An IB on a ring\nthat patches the CS in place (e.g. VCN) with an unmapped va_start fails\nin amdgpu_cs_patch_ibs() and takes this path.\n\nFree the ranges on those error paths. Ranges amdgpu_cs_submit() already\ndropped are NULL, so freeing them again is a no-op.\n\n(cherry picked from commit c52a9542ed7cfd527feb938bd0accada2ac8d267)"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c"], "versions": [{"version": "fec8fdb54e8f74d88951c9f998f47bf4f2031fe0", "lessThan": "6ac46ae5ac561d4fc7d4246ad83d71bed0d9af9a", "status": "affected", "versionType": "git"}, {"version": "fec8fdb54e8f74d88951c9f998f47bf4f2031fe0", "lessThan": "2d9d24385201f476a2f754495b71bbac5ba6ea7b", "status": "affected", "versionType": "git"}, {"version": "fec8fdb54e8f74d88951c9f998f47bf4f2031fe0", "lessThan": "1b4da805a0ba354a549ce07459c871c17dd94fe0", "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/gpu/drm/amd/amdgpu/amdgpu_cs.c"], "versions": [{"version": "6.2", "status": "affected"}, {"version": "0", "lessThan": "6.2", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.59", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.13", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "6.2", "versionEndExcluding": "6.18.59"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "7.2.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/6ac46ae5ac561d4fc7d4246ad83d71bed0d9af9a"}, {"url": "https://git.kernel.org/stable/c/2d9d24385201f476a2f754495b71bbac5ba6ea7b"}, {"url": "https://git.kernel.org/stable/c/1b4da805a0ba354a549ce07459c871c17dd94fe0"}], "title": "drm/amdgpu: free the userptr ranges when a CS fails after parser_bos", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "6ac46ae5ac561d4fc7d4246ad83d71bed0d9af9a", "status": "affected", "version": "fec8fdb54e8f74d88951c9f998f47bf4f2031fe0", "versionType": "git"}, {"lessThan": "2d9d24385201f476a2f754495b71bbac5ba6ea7b", "status": "affected", "version": "fec8fdb54e8f74d88951c9f998f47bf4f2031fe0", "versionType": "git"}, {"lessThan": "1b4da805a0ba354a549ce07459c871c17dd94fe0", "status": "affected", "version": "fec8fdb54e8f74d88951c9f998f47bf4f2031fe0", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.2"}, {"lessThan": "6.2", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.59", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.13", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: free the userptr ranges when a CS fails after parser_bos\n\namdgpu_cs_parser_bos() allocates an HMM range for every userptr entry of\nthe BO list and looks up the user pages. Those ranges are only freed when\namdgpu_cs_parser_bos() itself fails or when amdgpu_cs_submit() checks\nthem under the notifier lock. If amdgpu_cs_patch_jobs(),\namdgpu_cs_vm_handling(), amdgpu_cs_sync_rings() or the early part of\namdgpu_cs_submit() fails, nothing frees them: neither\namdgpu_cs_parser_fini() nor amdgpu_bo_list_free() touch e->range.\n\nEach such CS then leaks the range, its hmm_pfns array (8 bytes per page\nof the userptr BO) and the BO reference the range holds. An IB on a ring\nthat patches the CS in place (e.g. VCN) with an unmapped va_start fails\nin amdgpu_cs_patch_ibs() and takes this path.\n\nFree the ranges on those error paths. Ranges amdgpu_cs_submit() already\ndropped are NULL, so freeing them again is a no-op.\n\n(cherry picked from commit c52a9542ed7cfd527feb938bd0accada2ac8d267)"}], "id": "CVE-2026-99106", "lastModified": "2026-10-28T11:17:29.960", "metrics": {}, "published": "2026-10-28T11:17:29.960", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1b4da805a0ba354a549ce07459c871c17dd94fe0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2d9d24385201f476a2f754495b71bbac5ba6ea7b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6ac46ae5ac561d4fc7d4246ad83d71bed0d9af9a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}