CVE-2026-64529

{"id": "CVE-2026-64529", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-64529", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T15:41:41.952211Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "lessThan": "071590a44cbc38483fceb1ab943363ec26868e1b", "versionType": "git"}, {"status": "affected", "version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "lessThan": "1de076f43e64bf65fbe7280a269c70e0e60518df", "versionType": "git"}, {"status": "affected", "version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "lessThan": "a4999664a5ef77bdb0c6e6b935f581ac8ce6b63a", "versionType": "git"}, {"status": "affected", "version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "lessThan": "6848a6e39cac44fdb7cb88f0f777df62172d1551", "versionType": "git"}, {"status": "affected", "version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "lessThan": "b1ea97076bd0a5196290deba172034e480646727", "versionType": "git"}, {"status": "affected", "version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "lessThan": "b8ebf008696de1ec08c90d51f94d7e40bd448be1", "versionType": "git"}, {"status": "affected", "version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "lessThan": "de2cc38489b629927910b1aeff69bba7bd5c6f1b", "versionType": "git"}, {"status": "affected", "version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "lessThan": "3ae49dd04dbb11fb73f17f58a982dba128abe83a", "versionType": "git"}, {"status": "affected", "version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "lessThan": "d237230728c567297f2f98b425d63156ab2ed17f", "versionType": "git"}], "programFiles": ["Documentation/userspace-api/ioctl/ioctl-number.rst", "drivers/crypto/intel/qat/qat_common/adf_cfg.c", "drivers/crypto/intel/qat/qat_common/adf_cfg.h", "drivers/crypto/intel/qat/qat_common/adf_cfg_common.h", "drivers/crypto/intel/qat/qat_common/adf_cfg_user.h", "drivers/crypto/intel/qat/qat_common/adf_common_drv.h", "drivers/crypto/intel/qat/qat_common/adf_ctl_drv.c", "drivers/crypto/intel/qat/qat_common/adf_dev_mgr.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3.17"}, {"status": "unaffected", "version": "0", "lessThan": "3.17", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.260", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.211", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.177", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.144", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.95", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.37", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.0.14", "versionType": "semver", "lessThanOrEqual": "7.0.*"}, {"status": "unaffected", "version": "7.1.2", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["Documentation/userspace-api/ioctl/ioctl-number.rst", "drivers/crypto/intel/qat/qat_common/adf_cfg.c", "drivers/crypto/intel/qat/qat_common/adf_cfg.h", "drivers/crypto/intel/qat/qat_common/adf_cfg_common.h", "drivers/crypto/intel/qat/qat_common/adf_cfg_user.h", "drivers/crypto/intel/qat/qat_common/adf_common_drv.h", "drivers/crypto/intel/qat/qat_common/adf_ctl_drv.c", "drivers/crypto/intel/qat/qat_common/adf_dev_mgr.c"], "defaultStatus": "affected"}]}], "published": "2026-07-25T10:17:39.317", "references": [{"url": "https://git.kernel.org/stable/c/071590a44cbc38483fceb1ab943363ec26868e1b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/1de076f43e64bf65fbe7280a269c70e0e60518df", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3ae49dd04dbb11fb73f17f58a982dba128abe83a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/6848a6e39cac44fdb7cb88f0f777df62172d1551", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a4999664a5ef77bdb0c6e6b935f581ac8ce6b63a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b1ea97076bd0a5196290deba172034e480646727", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b8ebf008696de1ec08c90d51f94d7e40bd448be1", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d237230728c567297f2f98b425d63156ab2ed17f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/de2cc38489b629927910b1aeff69bba7bd5c6f1b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-489"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: qat - remove unused character device and IOCTLs\n\nThe QAT driver exposes a character device (qat_adf_ctl) with IOCTLs\nfor device configuration, start, stop, status query and enumeration.\nThese IOCTLs are not part of any public uAPI header and have no known\nin-tree or out-of-tree users. Device lifecycle is already managed via\nsysfs.\n\nThe ioctl interface also increases the attack surface and is the\nsubject of a number of bug reports.\n\nRemove the character device, the IOCTL definitions, and the related\ndata structures (adf_dev_status_info, adf_user_cfg_key_val,\nadf_user_cfg_section, adf_user_cfg_ctl_data). Drop the now-unused\nadf_cfg_user.h header and strip adf_ctl_drv.c down to the minimal\nmodule_init/module_exit hooks for workqueue, AER, and crypto/compression\nalgorithm registration.\n\nClean up leftover dead code that was only reachable from the removed\nIOCTL paths: adf_cfg_del_all(), adf_devmgr_verify_id(),\nadf_devmgr_get_num_dev(), adf_devmgr_get_dev_by_id(),\nadf_get_vf_real_id() and the unused ADF_CFG macros.\n\nAdditionally, drop the entry associated to QAT IOCTLs in\nioctl-number.rst."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ncrypto: qat - eliminar dispositivo de caracteres y IOCTLs no utilizados\n\nEl controlador QAT expone un dispositivo de caracteres (qat_adf_ctl) con IOCTLs para configuraci\u00f3n de dispositivo, inicio, detenci\u00f3n, consulta de estado y enumeraci\u00f3n. Estos IOCTLs no forman parte de ning\u00fan encabezado uAPI p\u00fablico y no tienen usuarios conocidos dentro o fuera del \u00e1rbol. El ciclo de vida del dispositivo ya se gestiona a trav\u00e9s de sysfs.\n\nLa interfaz ioctl tambi\u00e9n aumenta la superficie de ataque y es objeto de varios informes de errores.\n\nEliminar el dispositivo de caracteres, las definiciones de IOCTL y las estructuras de datos relacionadas (adf_dev_status_info, adf_user_cfg_key_val, adf_user_cfg_section, adf_user_cfg_ctl_data). Eliminar el encabezado adf_cfg_user.h ahora no utilizado y reducir adf_ctl_drv.c a los ganchos m\u00ednimos module_init/module_exit para el registro de workqueue, AER y algoritmos de criptograf\u00eda/compresi\u00f3n.\n\nLimpiar el c\u00f3digo muerto restante que solo era accesible desde las rutas de IOCTL eliminadas: adf_cfg_del_all(), adf_devmgr_verify_id(), adf_devmgr_get_num_dev(), adf_devmgr_get_dev_by_id(), adf_get_vf_real_id() y las macros ADF_CFG no utilizadas.\n\nAdem\u00e1s, eliminar la entrada asociada a los IOCTLs de QAT en ioctl-number.rst."}], "lastModified": "2026-11-12T21:44:52.887", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AA117503-7540-4B89-B518-00393FAA8A66", "versionEndExcluding": "5.10.260", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D71C101E-388C-4A46-BD99-49049F7C5CFF", "versionEndExcluding": "5.15.211", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "333C9E30-7FD4-46A2-94EF-C1AA1F3EE28B", "versionEndExcluding": "6.1.177", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C8AD3BC8-C843-423C-B9DB-CB52F67F578E", "versionEndExcluding": "6.6.144", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4E206B86-E0E3-4394-A93F-39F2D50A8AA8", "versionEndExcluding": "6.12.95", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E08ACB05-518A-4D61-A6C4-268D1BB6BF46", "versionEndExcluding": "6.18.37", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6241DF06-E6F3-4B61-B5A2-A60F2AE5B982", "versionEndExcluding": "7.0.14", "versionStartIncluding": "6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C18FAA06-B61A-4036-A12D-F06F5135E64B", "versionEndExcluding": "7.1.2", "versionStartIncluding": "7.1"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}