CVE-2026-53290

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53290", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.396Z", "datePublished": "2026-06-26T19:40:50.073Z", "dateUpdated": "2026-10-19T20:07:43.209Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:34:56.992Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/eustall: Fix drm_dev_put called before stream disable in close\n\nIn xe_eu_stall_stream_close(), drm_dev_put() is called before the\nstream is disabled and its resources are freed. If this drops the\nlast reference, the device structures could be freed while the\nsubsequent cleanup code still accesses them, leading to a\nuse-after-free.\n\nFix this by moving drm_dev_put() after all device accesses are\ncomplete. This matches the ordering in xe_oa_release().\n\n(cherry picked from commit 35aff528f7297e949e5e19c9cd7fd748cf1cf21c)"}], "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 vulnerable close handler is reached from local userspace through the Xe DRM render-node ioctl path that opens an EU stall observation stream fd, then close/release on that fd. It is not reachable from network or adjacent protocols.\nAC:L - Once an EU stall stream fd exists, the vulnerable cleanup ordering is exercised by closing that fd; there is no attacker-uncontrolled race to win in the close path itself. The final-reference lifetime condition is a normal DRM device lifetime state rather than a precise timing primitive.\nPR:L - The default `xe_observation_paranoid` gate requires `CAP_PERFMON` or `CAP_SYS_ADMIN`, but the driver explicitly provides a sysctl allowing non-privileged users to access observation data. Under the required most-severe reasonable deployment rule, a basic local user with render-node access can reach the stream open/close path.\nUI:N - No victim interaction is needed after the attacker can issue the ioctl and close the returned stream fd. The attacker drives the relevant userspace operations directly.\nS:U - The vulnerable code is in the host kernel DRM driver and impacts the same kernel security authority. There is no evidence of a VM, IOMMU, or separate security-scope boundary crossing.\nC:H - This is a use-after-free of DRM/Xe device-related structures before subsequent cleanup dereferences them. Per kernel CVSS guidance, UAF memory corruption is treated as capable of enabling high confidentiality impact through reclaimed-object control and memory disclosure primitives.\nI:H - The UAF occurs before hardware stream disable, buffer teardown, and stream free operations continue through freed object graphs. Per kernel CVSS guidance, such UAF memory corruption is treated as potentially enabling arbitrary write or control-flow compromise.\nA:H - At minimum, dereferencing freed device structures in the close path can cause a kernel oops or panic. UAFs in kernel cleanup paths are therefore high availability impact."}]}], "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_eu_stall.c"], "versions": [{"version": "9a0b11d4cf3b4324378c322b7043962e648681ed", "lessThan": "bebce43f34b5feb8a760aa832eba81e0f8a38871", "status": "affected", "versionType": "git"}, {"version": "9a0b11d4cf3b4324378c322b7043962e648681ed", "lessThan": "84f2bfbe6e38f8b9815ca00826e53b7f51420402", "status": "affected", "versionType": "git"}, {"version": "9a0b11d4cf3b4324378c322b7043962e648681ed", "lessThan": "dc2d9842c67d883d3200ae33b9c3859dd9492408", "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_eu_stall.c"], "versions": [{"version": "6.15", "status": "affected"}, {"version": "0", "lessThan": "6.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.33", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.10", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "6.15", "versionEndExcluding": "6.18.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "7.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/bebce43f34b5feb8a760aa832eba81e0f8a38871"}, {"url": "https://git.kernel.org/stable/c/84f2bfbe6e38f8b9815ca00826e53b7f51420402"}, {"url": "https://git.kernel.org/stable/c/dc2d9842c67d883d3200ae33b9c3859dd9492408"}], "title": "drm/xe/eustall: Fix drm_dev_put called before stream disable in close", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-53290", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T15:28:25.582672Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-19T20:07:43.209Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-53290", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T15:28:25.582672Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T15:28:26.269Z"}}], "cna": {"title": "drm/xe/eustall: Fix drm_dev_put called before stream disable in close", "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 7.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}, "scenarios": [{"lang": "en", "value": "AV:L - The vulnerable close handler is reached from local userspace through the Xe DRM render-node ioctl path that opens an EU stall observation stream fd, then close/release on that fd. It is not reachable from network or adjacent protocols.\nAC:L - Once an EU stall stream fd exists, the vulnerable cleanup ordering is exercised by closing that fd; there is no attacker-uncontrolled race to win in the close path itself. The final-reference lifetime condition is a normal DRM device lifetime state rather than a precise timing primitive.\nPR:L - The default `xe_observation_paranoid` gate requires `CAP_PERFMON` or `CAP_SYS_ADMIN`, but the driver explicitly provides a sysctl allowing non-privileged users to access observation data. Under the required most-severe reasonable deployment rule, a basic local user with render-node access can reach the stream open/close path.\nUI:N - No victim interaction is needed after the attacker can issue the ioctl and close the returned stream fd. The attacker drives the relevant userspace operations directly.\nS:U - The vulnerable code is in the host kernel DRM driver and impacts the same kernel security authority. There is no evidence of a VM, IOMMU, or separate security-scope boundary crossing.\nC:H - This is a use-after-free of DRM/Xe device-related structures before subsequent cleanup dereferences them. Per kernel CVSS guidance, UAF memory corruption is treated as capable of enabling high confidentiality impact through reclaimed-object control and memory disclosure primitives.\nI:H - The UAF occurs before hardware stream disable, buffer teardown, and stream free operations continue through freed object graphs. Per kernel CVSS guidance, such UAF memory corruption is treated as potentially enabling arbitrary write or control-flow compromise.\nA:H - At minimum, dereferencing freed device structures in the close path can cause a kernel oops or panic. UAFs in kernel cleanup paths are therefore high availability impact."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "9a0b11d4cf3b4324378c322b7043962e648681ed", "lessThan": "bebce43f34b5feb8a760aa832eba81e0f8a38871", "versionType": "git"}, {"status": "affected", "version": "9a0b11d4cf3b4324378c322b7043962e648681ed", "lessThan": "84f2bfbe6e38f8b9815ca00826e53b7f51420402", "versionType": "git"}, {"status": "affected", "version": "9a0b11d4cf3b4324378c322b7043962e648681ed", "lessThan": "dc2d9842c67d883d3200ae33b9c3859dd9492408", "versionType": "git"}], "programFiles": ["drivers/gpu/drm/xe/xe_eu_stall.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.15"}, {"status": "unaffected", "version": "0", "lessThan": "6.15", "versionType": "semver"}, {"status": "unaffected", "version": "6.18.33", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.0.10", "versionType": "semver", "lessThanOrEqual": "7.0.*"}, {"status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/gpu/drm/xe/xe_eu_stall.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/bebce43f34b5feb8a760aa832eba81e0f8a38871"}, {"url": "https://git.kernel.org/stable/c/84f2bfbe6e38f8b9815ca00826e53b7f51420402"}, {"url": "https://git.kernel.org/stable/c/dc2d9842c67d883d3200ae33b9c3859dd9492408"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/eustall: Fix drm_dev_put called before stream disable in close\n\nIn xe_eu_stall_stream_close(), drm_dev_put() is called before the\nstream is disabled and its resources are freed. If this drops the\nlast reference, the device structures could be freed while the\nsubsequent cleanup code still accesses them, leading to a\nuse-after-free.\n\nFix this by moving drm_dev_put() after all device accesses are\ncomplete. This matches the ordering in xe_oa_release().\n\n(cherry picked from commit 35aff528f7297e949e5e19c9cd7fd748cf1cf21c)"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.33", "versionStartIncluding": "6.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.0.10", "versionStartIncluding": "6.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.1", "versionStartIncluding": "6.15"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:34:56.992Z"}}}, "cveMetadata": {"cveId": "CVE-2026-53290", "state": "PUBLISHED", "dateUpdated": "2026-10-19T20:07:43.209Z", "dateReserved": "2026-06-09T07:44:35.396Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-06-26T19:40:50.073Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/xe/xe_eu_stall.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "bebce43f34b5feb8a760aa832eba81e0f8a38871", "status": "affected", "version": "9a0b11d4cf3b4324378c322b7043962e648681ed", "versionType": "git"}, {"lessThan": "84f2bfbe6e38f8b9815ca00826e53b7f51420402", "status": "affected", "version": "9a0b11d4cf3b4324378c322b7043962e648681ed", "versionType": "git"}, {"lessThan": "dc2d9842c67d883d3200ae33b9c3859dd9492408", "status": "affected", "version": "9a0b11d4cf3b4324378c322b7043962e648681ed", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/xe/xe_eu_stall.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.15"}, {"lessThan": "6.15", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.33", "versionType": "semver"}, {"lessThanOrEqual": "7.0.*", "status": "unaffected", "version": "7.0.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "986D4552-0ECA-40C4-9708-6D088AC7A485", "versionEndExcluding": "6.18.33", "versionStartIncluding": "6.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A13475D2-59BF-4716-94B5-7C1D239A2CF4", "versionEndExcluding": "7.0.10", "versionStartIncluding": "6.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*", "matchCriteriaId": "B1EF7059-E670-45F4-B422-54C40FA86390", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/eustall: Fix drm_dev_put called before stream disable in close\n\nIn xe_eu_stall_stream_close(), drm_dev_put() is called before the\nstream is disabled and its resources are freed. If this drops the\nlast reference, the device structures could be freed while the\nsubsequent cleanup code still accesses them, leading to a\nuse-after-free.\n\nFix this by moving drm_dev_put() after all device accesses are\ncomplete. This matches the ordering in xe_oa_release().\n\n(cherry picked from commit 35aff528f7297e949e5e19c9cd7fd748cf1cf21c)"}], "id": "CVE-2026-53290", "lastModified": "2026-10-19T20:19:14.760", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-53290", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T15:28:25.582672Z", "version": "2.0.3"}}]}, "published": "2026-06-26T20:17:21.870", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/84f2bfbe6e38f8b9815ca00826e53b7f51420402"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bebce43f34b5feb8a760aa832eba81e0f8a38871"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dc2d9842c67d883d3200ae33b9c3859dd9492408"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: drm/xe/eustall: Fix drm_dev_put called before stream disable in close", "id": "2493739", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2493739"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-825", "details": ["A flaw was found in the Linux kernel's drm/xe/eustall component. This vulnerability occurs because the `drm_dev_put()` function is called before a stream is disabled and its resources are freed within `xe_eu_stall_stream_close()`. This timing issue can lead to a use-after-free condition, where device structures might be accessed after they have been deallocated. A local attacker could potentially exploit this to cause system instability or a denial of service (DoS)."], "name": "CVE-2026-53290", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-06-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53290\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53290\nhttps://lore.kernel.org/linux-cve-announce/2026062616-CVE-2026-53290-1a5a@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9a0b11d4cf3b4324378c322b7043962e648681ed,bebce43f34b5feb8a760aa832eba81e0f8a38871)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9a0b11d4cf3b4324378c322b7043962e648681ed,84f2bfbe6e38f8b9815ca00826e53b7f51420402)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9a0b11d4cf3b4324378c322b7043962e648681ed,dc2d9842c67d883d3200ae33b9c3859dd9492408)"}}], "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": "generic", "value": "6.15"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.15)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.33,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.10,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "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": "2026-06-26T23:15:08.928307+00:00", "updated": "2026-08-12T09:30:01.062146+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}