CVE-2026-64305

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leading to list corruption or\na use-after-free.\n\nFix this by holding service_lock across all list_for_each_entry()\niterations of service_table in adf_dev_init(), adf_dev_start(),\nadf_dev_stop(), adf_dev_shutdown(), adf_dev_restarting_notify(),\nadf_dev_restarted_notify(), and adf_error_notifier().\n\nThe lock ordering is safe: callers of the static helpers (adf_dev_up()\nand adf_dev_down()) acquire state_lock before service_lock, and no\nevent_hld callback or service_lock holder ever acquires state_lock in\nthe reverse order."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/crypto/intel/qat/qat_common/adf_init.c"], "versions": [{"version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "lessThan": "d36bff434e01d06d1e1fa98aa2b34ec32185c1ab", "status": "affected", "versionType": "git"}, {"version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", 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protect service table iterations with service_lock\n\nThe service_table list is protected by service_lock when entries are\nadded or removed (in adf_service_add() and adf_service_remove()), but\nseveral functions iterate over the list without holding this lock.\n\nA concurrent adf_service_register() or adf_service_unregister() call\ncould modify the list during traversal, leading to list corruption or\na use-after-free.\n\nFix this by holding service_lock across all list_for_each_entry()\niterations of service_table in adf_dev_init(), adf_dev_start(),\nadf_dev_stop(), adf_dev_shutdown(), adf_dev_restarting_notify(),\nadf_dev_restarted_notify(), and adf_error_notifier().\n\nThe lock ordering is safe: callers of the static helpers (adf_dev_up()\nand adf_dev_down()) acquire state_lock before service_lock, and no\nevent_hld callback or service_lock holder ever acquires state_lock in\nthe reverse order."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.191", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.160", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.96", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.39", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.1.4", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.2", "versionStartIncluding": "3.17"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:27:42.624Z"}}}, "cveMetadata": {"cveId": "CVE-2026-64305", "state": "PUBLISHED", "dateUpdated": "2026-11-06T16:44:43.751Z", "dateReserved": "2026-07-19T15:36:31.779Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-07-25T08:49:39.536Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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protect service table iterations with service_lock\n\nThe service_table list is protected by service_lock when entries are\nadded or removed (in adf_service_add() and adf_service_remove()), but\nseveral functions iterate over the list without holding this lock.\n\nA concurrent adf_service_register() or adf_service_unregister() call\ncould modify the list during traversal, leading to list corruption or\na use-after-free.\n\nFix this by holding service_lock across all list_for_each_entry()\niterations of service_table in adf_dev_init(), adf_dev_start(),\nadf_dev_stop(), adf_dev_shutdown(), adf_dev_restarting_notify(),\nadf_dev_restarted_notify(), and adf_error_notifier().\n\nThe lock ordering is safe: callers of the static helpers (adf_dev_up()\nand adf_dev_down()) acquire state_lock before service_lock, and no\nevent_hld callback or service_lock holder ever acquires state_lock in\nthe reverse order."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ncrypto: qat - proteger las iteraciones de la tabla de servicios con service_lock\n\nLa lista service_table est\u00e1 protegida por service_lock cuando se a\u00f1aden o eliminan entradas (en adf_service_add() y adf_service_remove()), pero varias funciones iteran sobre la lista sin mantener este bloqueo.\n\nUna llamada concurrente a adf_service_register() o adf_service_unregister() podr\u00eda modificar la lista durante el recorrido, lo que llevar\u00eda a la corrupci\u00f3n de la lista o a un uso despu\u00e9s de liberaci\u00f3n.\n\nSolucione esto manteniendo service_lock durante todas las iteraciones de list_for_each_entry() de service_table en adf_dev_init(), adf_dev_start(), adf_dev_stop(), adf_dev_shutdown(), adf_dev_restarting_notify(), adf_dev_restarted_notify() y adf_error_notifier().\n\nEl orden de los bloqueos es seguro: los llamadores de las funciones auxiliares est\u00e1ticas (adf_dev_up() y adf_dev_down()) adquieren state_lock antes que service_lock, y ninguna devoluci\u00f3n de llamada event_hld o poseedor de service_lock adquiere state_lock en el orden inverso."}], "id": "CVE-2026-64305", "lastModified": "2026-11-06T17:18:46.520", "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": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-64305", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-06T16:34:23.370482Z", "version": "2.0.3"}}]}, "published": "2026-07-25T10:17:11.530", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0dbcecea740d943002c1cbdafa39bdfc108e32a5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/11d48f777cf8fad00db044f4c15cdf821427746b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/222fa7b453b612f4407f260146d89a2ce2bc831d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5c6f845e77ec35f9b7b047cc8f9789bf397cdd3e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c3c5925791cff3b84d313293fd60f384d877d793"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d36bff434e01d06d1e1fa98aa2b34ec32185c1ab"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: crypto: qat - protect service table iterations with service_lock", "id": "2507158", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507158"}, "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-366", "details": ["A flaw was found in the Linux kernel's cryptographic acceleration (qat) component. This vulnerability occurs because certain functions iterate over a critical data structure without proper synchronization. If another operation modifies this structure concurrently, it can lead to data corruption or a use-after-free error. This could potentially allow an attacker to cause system instability, leading to a denial of service, or in some cases, execute unauthorized code."], "name": "CVE-2026-64305", "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": "2026-07-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64305\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64305\nhttps://lore.kernel.org/linux-cve-announce/2026072507-CVE-2026-64305-6cea@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8cba25d2c68992a6e7c1d329b690a9ebe01167d,222fa7b453b612f4407f260146d89a2ce2bc831d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8cba25d2c68992a6e7c1d329b690a9ebe01167d,c3c5925791cff3b84d313293fd60f384d877d793)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8cba25d2c68992a6e7c1d329b690a9ebe01167d,0dbcecea740d943002c1cbdafa39bdfc108e32a5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8cba25d2c68992a6e7c1d329b690a9ebe01167d,5c6f845e77ec35f9b7b047cc8f9789bf397cdd3e)"}}], "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": "3.17"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,3.17)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.96,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.39,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.4,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2-rc1,*]"}}], "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": "2026-07-25T14:30:03.598858+00:00", "updated": "2026-09-03T21:30:06.277503+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}