CVE-2026-68265

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No race, no memory-layout grooming, and no special config beyond a normal Intel Xe GPU.\nPR:L - XE_VM_BIND is registered DRM_RENDER_ALLOW, so any unprivileged user or sandboxed/containerized process holding a render-node fd (the norm for desktop, Android and GPU containers) can drive the path; no capability or root is needed.\nUI:N - The attacker performs the entire sequence (create BO, bind, prefetch) from their own process via ioctls; no victim action or interaction is required.\nS:U - The out-of-bounds access and any resulting fault or misbehaviour stay within the kernel of the same machine and are not mediated across a VM, IOMMU or other security authority boundary.\nC:H - region_to_mem_type[] is a 3-entry array indexed with 0xFFFFFFFF, an unbounded wild read roughly 16 GB past the object rather than a small bounded overread; the loaded word is consumed by the driver and, on layouts where the address is readable, exposes memory the caller must never observe, so a high confidentiality impact is the defensible assessment.\nI:L - The out-of-bounds word is used directly as the mem_type argument to xe_bo_migrate(), so uninitialized/foreign data drives xe_bo_can_migrate(), mem_type_is_vram() and add_vram() placement decisions, letting a buffer object be moved to a memory region the caller never requested; the subsequent placement check bounds this to limited modification rather than an arbitrary write.\nA:H - The 0xFFFFFFFF index computes an address far outside any valid mapping (on x86-64 the module-relative offset wraps into a non-kernel address), so the read faults in kernel mode inside an in-progress drm_exec transaction holding VM and BO locks, producing an oops and a wedged GPU context \u2014 a repeatable crash any local user can trigger."}]}], "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.c"], "versions": [{"version": "c1bb69a2e8e2d55c3725e304d8b8fd189ee43fbe", "lessThan": "d256dac008d1d9e6378aa1a5454e89a8292d174c", "status": "affected", "versionType": "git"}, {"version": "c1bb69a2e8e2d55c3725e304d8b8fd189ee43fbe", "lessThan": "c4affa4e8bc8086b4d3e8d6cf1055a624f813d72", "status": "affected", "versionType": "git"}, {"version": "c1bb69a2e8e2d55c3725e304d8b8fd189ee43fbe", "lessThan": "7bc597ce74bab4153b2009c92eccf889e9d74044", "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.c"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.44", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.6", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "6.18.44"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d256dac008d1d9e6378aa1a5454e89a8292d174c"}, {"url": "https://git.kernel.org/stable/c/c4affa4e8bc8086b4d3e8d6cf1055a624f813d72"}, {"url": "https://git.kernel.org/stable/c/7bc597ce74bab4153b2009c92eccf889e9d74044"}], "title": "drm/xe/vm: Fix BO prefetch with CONSULT_MEM_ADVISE_PREF_LOC", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-68265", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-16T15:46:24.156978Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-19T20:58:58.789Z"}}]}}

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No race, no memory-layout grooming, and no special config beyond a normal Intel Xe GPU.\nPR:L - XE_VM_BIND is registered DRM_RENDER_ALLOW, so any unprivileged user or sandboxed/containerized process holding a render-node fd (the norm for desktop, Android and GPU containers) can drive the path; no capability or root is needed.\nUI:N - The attacker performs the entire sequence (create BO, bind, prefetch) from their own process via ioctls; no victim action or interaction is required.\nS:U - The out-of-bounds access and any resulting fault or misbehaviour stay within the kernel of the same machine and are not mediated across a VM, IOMMU or other security authority boundary.\nC:H - region_to_mem_type[] is a 3-entry array indexed with 0xFFFFFFFF, an unbounded wild read roughly 16 GB past the object rather than a small bounded overread; the loaded word is consumed by the driver and, on layouts where the address is readable, exposes memory the caller must never observe, so a high confidentiality impact is the defensible assessment.\nI:L - The out-of-bounds word is used directly as the mem_type argument to xe_bo_migrate(), so uninitialized/foreign data drives xe_bo_can_migrate(), mem_type_is_vram() and add_vram() placement decisions, letting a buffer object be moved to a memory region the caller never requested; the subsequent placement check bounds this to limited modification rather than an arbitrary write.\nA:H - The 0xFFFFFFFF index computes an address far outside any valid mapping (on x86-64 the module-relative offset wraps into a non-kernel address), so the read faults in kernel mode inside an in-progress drm_exec transaction holding VM and BO locks, producing an oops and a wedged GPU context \u2014 a repeatable crash any local user can trigger."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "c1bb69a2e8e2d55c3725e304d8b8fd189ee43fbe", "lessThan": "d256dac008d1d9e6378aa1a5454e89a8292d174c", "versionType": "git"}, {"status": "affected", "version": "c1bb69a2e8e2d55c3725e304d8b8fd189ee43fbe", "lessThan": "c4affa4e8bc8086b4d3e8d6cf1055a624f813d72", "versionType": "git"}, {"status": "affected", "version": "c1bb69a2e8e2d55c3725e304d8b8fd189ee43fbe", "lessThan": "7bc597ce74bab4153b2009c92eccf889e9d74044", "versionType": "git"}], "programFiles": ["drivers/gpu/drm/xe/xe_vm.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.18"}, {"status": "unaffected", "version": "0", "lessThan": "6.18", "versionType": "semver"}, {"status": "unaffected", "version": "6.18.44", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.1.6", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/gpu/drm/xe/xe_vm.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/d256dac008d1d9e6378aa1a5454e89a8292d174c"}, {"url": "https://git.kernel.org/stable/c/c4affa4e8bc8086b4d3e8d6cf1055a624f813d72"}, {"url": "https://git.kernel.org/stable/c/7bc597ce74bab4153b2009c92eccf889e9d74044"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/vm: Fix BO prefetch with CONSULT_MEM_ADVISE_PREF_LOC\n\nWhen prefetch region is DRM_XE_CONSULT_MEM_ADVISE_PREF_LOC for a BO VMA,\nthe code used it as an index into region_to_mem_type[], causing an\nout-of-bounds access since the value is -1.\n\nResolve the preferred location for BO VMAs directly: local VRAM on dGFX\n(using the BO's tile placement) or system memory on iGPU.\n\nDiscovered using AI-assisted static analysis confirmed by Intel Product\nSecurity.\n\nv2:\n-Fix null dereference\n\n(cherry picked from commit d9a4906ac03be9f6ed3f3b45c56c866b867fd75b)"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.44", "versionStartIncluding": "6.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.1.6", "versionStartIncluding": "6.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.2", "versionStartIncluding": "6.18"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:01:57.952Z"}}}, "cveMetadata": {"cveId": "CVE-2026-68265", "state": "PUBLISHED", "dateUpdated": "2026-10-19T20:58:58.789Z", "dateReserved": "2026-07-30T09:28:09.378Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-08-10T12:01:40.271Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/xe/xe_vm.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "d256dac008d1d9e6378aa1a5454e89a8292d174c", "status": "affected", "version": "c1bb69a2e8e2d55c3725e304d8b8fd189ee43fbe", "versionType": "git"}, {"lessThan": "c4affa4e8bc8086b4d3e8d6cf1055a624f813d72", "status": "affected", "version": "c1bb69a2e8e2d55c3725e304d8b8fd189ee43fbe", "versionType": "git"}, {"lessThan": "7bc597ce74bab4153b2009c92eccf889e9d74044", "status": "affected", "version": "c1bb69a2e8e2d55c3725e304d8b8fd189ee43fbe", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/xe/xe_vm.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.18"}, {"lessThan": "6.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.44", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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/xe/vm: Fix BO prefetch with CONSULT_MEM_ADVISE_PREF_LOC\n\nWhen prefetch region is DRM_XE_CONSULT_MEM_ADVISE_PREF_LOC for a BO VMA,\nthe code used it as an index into region_to_mem_type[], causing an\nout-of-bounds access since the value is -1.\n\nResolve the preferred location for BO VMAs directly: local VRAM on dGFX\n(using the BO's tile placement) or system memory on iGPU.\n\nDiscovered using AI-assisted static analysis confirmed by Intel Product\nSecurity.\n\nv2:\n-Fix null dereference\n\n(cherry picked from commit d9a4906ac03be9f6ed3f3b45c56c866b867fd75b)"}], "id": "CVE-2026-68265", "lastModified": "2026-10-19T21:18:00.087", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.5, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-68265", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T15:46:24.156978Z", "version": "2.0.3"}}]}, "published": "2026-08-10T13:20:15.380", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7bc597ce74bab4153b2009c92eccf889e9d74044"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c4affa4e8bc8086b4d3e8d6cf1055a624f813d72"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d256dac008d1d9e6378aa1a5454e89a8292d174c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: drm/xe/vm: Fix BO prefetch with CONSULT_MEM_ADVISE_PREF_LOC", "id": "2513433", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513433"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["A flaw was found in the Linux kernel. Specifically, within the `drm/xe/vm` module, an out-of-bounds access can occur when handling the `DRM_XE_CONSULT_MEM_ADVISE_PREF_LOC` region for a Buffer Object (BO) Virtual Memory Area (VMA). This happens because a value of -1 is incorrectly used as an index into a memory type array. A local attacker could potentially exploit this to cause a denial of service (DoS) or other system instability."], "name": "CVE-2026-68265", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-68265\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-68265\nhttps://lore.kernel.org/linux-cve-announce/2026081023-CVE-2026-68265-357b@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c1bb69a2e8e2d55c3725e304d8b8fd189ee43fbe,d256dac008d1d9e6378aa1a5454e89a8292d174c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c1bb69a2e8e2d55c3725e304d8b8fd189ee43fbe,c4affa4e8bc8086b4d3e8d6cf1055a624f813d72)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c1bb69a2e8e2d55c3725e304d8b8fd189ee43fbe,7bc597ce74bab4153b2009c92eccf889e9d74044)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.18"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.18)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.44,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.6,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2-rc4,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-10T18:45:17.008494+00:00", "updated": "2026-10-20T10:15:13.280397+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}