{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43280", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.998Z", "datePublished": "2026-05-06T11:29:01.562Z", "dateUpdated": "2026-05-06T11:29:01.562Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-06T11:29:01.562Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe: Add bounds check on pat_index to prevent OOB kernel read in madvise\n\nWhen user provides a bogus pat_index value through the madvise IOCTL, the\nxe_pat_index_get_coh_mode() function performs an array access without\nvalidating bounds. This allows a malicious user to trigger an out-of-bounds\nkernel read from the xe->pat.table array.\n\nThe vulnerability exists because the validation in madvise_args_are_sane()\ndirectly calls xe_pat_index_get_coh_mode(xe, args->pat_index.val) without\nfirst checking if pat_index is within [0, xe->pat.n_entries).\n\nAlthough xe_pat_index_get_coh_mode() has a WARN_ON to catch this in debug\nbuilds, it still performs the unsafe array access in production kernels.\n\nv2(Matthew Auld)\n- Using array_index_nospec() to mitigate spectre attacks when the value\nis used\n\nv3(Matthew Auld)\n- Put the declarations at the start of the block\n\n(cherry picked from commit 944a3329b05510d55c69c2ef455136e2fc02de29)"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/xe/xe_vm_madvise.c"], "versions": [{"version": "ada7486c5668db542a7d361268df931aca5b726a", "lessThan": "ffba51100ff61792fefbae11ca38ac1987a818dd", "status": "affected", "versionType": "git"}, {"version": "ada7486c5668db542a7d361268df931aca5b726a", "lessThan": "79f52655567a6471ff3d0d6325ede91bb14461f4", "status": "affected", "versionType": "git"}, {"version": "ada7486c5668db542a7d361268df931aca5b726a", "lessThan": "fbbe32618e97eff81577a01eb7d9adcd64a216d7", "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/xe/xe_vm_madvise.c"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.16", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.6", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "6.18", "versionEndExcluding": "6.18.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "6.19.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ffba51100ff61792fefbae11ca38ac1987a818dd"}, {"url": "https://git.kernel.org/stable/c/79f52655567a6471ff3d0d6325ede91bb14461f4"}, {"url": "https://git.kernel.org/stable/c/fbbe32618e97eff81577a01eb7d9adcd64a216d7"}], "title": "drm/xe: Add bounds check on pat_index to prevent OOB kernel read in madvise", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe: Add bounds check on pat_index to prevent OOB kernel read in madvise\n\nWhen user provides a bogus pat_index value through the madvise IOCTL, the\nxe_pat_index_get_coh_mode() function performs an array access without\nvalidating bounds. This allows a malicious user to trigger an out-of-bounds\nkernel read from the xe->pat.table array.\n\nThe vulnerability exists because the validation in madvise_args_are_sane()\ndirectly calls xe_pat_index_get_coh_mode(xe, args->pat_index.val) without\nfirst checking if pat_index is within [0, xe->pat.n_entries).\n\nAlthough xe_pat_index_get_coh_mode() has a WARN_ON to catch this in debug\nbuilds, it still performs the unsafe array access in production kernels.\n\nv2(Matthew Auld)\n- Using array_index_nospec() to mitigate spectre attacks when the value\nis used\n\nv3(Matthew Auld)\n- Put the declarations at the start of the block\n\n(cherry picked from commit 944a3329b05510d55c69c2ef455136e2fc02de29)"}], "id": "CVE-2026-43280", "lastModified": "2026-05-06T13:07:51.607", "metrics": {}, "published": "2026-05-06T12:16:49.477", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/79f52655567a6471ff3d0d6325ede91bb14461f4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fbbe32618e97eff81577a01eb7d9adcd64a216d7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ffba51100ff61792fefbae11ca38ac1987a818dd"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{}

{"created": "2026-05-06T16:00:06.454413+00:00", "updated": "2026-05-06T16:00:06.454424+00:00", "vendors": [], "weaknesses": ["CWE-20", "CWE-788"]}