CVE-2026-64529

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64529", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T15:36:31.794Z", "datePublished": "2026-07-25T09:24:18.750Z", "dateUpdated": "2026-10-19T20:48:38.158Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T04:57:06.789Z"}, "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."}], "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 interface is reached through local open and ioctl syscalls on /dev/qat_adf_ctl; it has no network or physical entry path.\nAC:L - The attacker can repeatedly invoke the start or status ioctl while coordinating QAT VF teardown in a hot-pluggable deployment, giving effective control over the race. A short ioctl loop has already produced the confirmed [KASAN use-after-free](https://www.spinics.net/lists/kernel/msg6034466.html ).\nPR:L - The driver performs no capability or credential check, so device-file permissions are the only gate. Standard QAT installation grants non-root qat-group members mode-0660 access to qat_adf_ctl according to the [Intel QAT installation guide](https://intel.github.io/quickassist/GSG/2.X/installation.html ).\nUI:N - Exploitation requires only attacker-generated ioctl calls and device-lifecycle operations, with no action by another user.\nS:U - The flaw compromises the same host or guest kernel security authority in which the vulnerable QAT driver executes; ordinary kernel privilege escalation does not change scope.\nC:H - The freed accel_dev can be reclaimed with attacker-influenced heap contents, and the status path follows stale pointers and invokes callbacks, providing a defensible route to arbitrary kernel-memory disclosure.\nI:H - Mutex operations and configuration paths write through the reclaimed object, while forged hw_device callbacks provide a plausible control-flow-hijack and arbitrary-kernel-write primitive.\nA:H - The UAF is confirmed to cause a KASAN kernel failure, and repeated malformed ioctls can independently create a printk storm leading to stalls, watchdog lockups, or panic."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.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"], "versions": [{"version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "lessThan": "071590a44cbc38483fceb1ab943363ec26868e1b", "status": "affected", "versionType": "git"}, {"version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "lessThan": "1de076f43e64bf65fbe7280a269c70e0e60518df", "status": "affected", "versionType": "git"}, {"version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "lessThan": "a4999664a5ef77bdb0c6e6b935f581ac8ce6b63a", "status": "affected", "versionType": "git"}, {"version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "lessThan": "6848a6e39cac44fdb7cb88f0f777df62172d1551", "status": "affected", "versionType": "git"}, {"version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "lessThan": "b1ea97076bd0a5196290deba172034e480646727", "status": "affected", "versionType": "git"}, {"version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "lessThan": "b8ebf008696de1ec08c90d51f94d7e40bd448be1", "status": "affected", "versionType": "git"}, {"version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "lessThan": "de2cc38489b629927910b1aeff69bba7bd5c6f1b", "status": "affected", "versionType": "git"}, {"version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "lessThan": "3ae49dd04dbb11fb73f17f58a982dba128abe83a", "status": "affected", "versionType": "git"}, {"version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "lessThan": "d237230728c567297f2f98b425d63156ab2ed17f", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.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"], "versions": [{"version": "3.17", "status": "affected"}, {"version": "0", "lessThan": "3.17", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.260", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.211", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.177", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.144", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.95", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.37", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.14", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.2", "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": 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"7.0.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "7.1.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/071590a44cbc38483fceb1ab943363ec26868e1b"}, {"url": "https://git.kernel.org/stable/c/1de076f43e64bf65fbe7280a269c70e0e60518df"}, {"url": "https://git.kernel.org/stable/c/a4999664a5ef77bdb0c6e6b935f581ac8ce6b63a"}, {"url": "https://git.kernel.org/stable/c/6848a6e39cac44fdb7cb88f0f777df62172d1551"}, {"url": "https://git.kernel.org/stable/c/b1ea97076bd0a5196290deba172034e480646727"}, {"url": "https://git.kernel.org/stable/c/b8ebf008696de1ec08c90d51f94d7e40bd448be1"}, {"url": "https://git.kernel.org/stable/c/de2cc38489b629927910b1aeff69bba7bd5c6f1b"}, {"url": "https://git.kernel.org/stable/c/3ae49dd04dbb11fb73f17f58a982dba128abe83a"}, {"url": "https://git.kernel.org/stable/c/d237230728c567297f2f98b425d63156ab2ed17f"}], "title": "crypto: qat - remove unused character device and IOCTLs", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-64529", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T15:41:41.952211Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-489", "description": "CWE-489 Active Debug Code"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-19T20:48:38.158Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-64529", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T15:41:41.952211Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T15:41:42.541Z"}}], "cna": {"title": "crypto: qat - remove unused character device and IOCTLs", "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 interface is reached through local open and ioctl syscalls on /dev/qat_adf_ctl; it has no network or physical entry path.\nAC:L - The attacker can repeatedly invoke the start or status ioctl while coordinating QAT VF teardown in a hot-pluggable deployment, giving effective control over the race. A short ioctl loop has already produced the confirmed [KASAN use-after-free](https://www.spinics.net/lists/kernel/msg6034466.html ).\nPR:L - The driver performs no capability or credential check, so device-file permissions are the only gate. Standard QAT installation grants non-root qat-group members mode-0660 access to qat_adf_ctl according to the [Intel QAT installation guide](https://intel.github.io/quickassist/GSG/2.X/installation.html ).\nUI:N - Exploitation requires only attacker-generated ioctl calls and device-lifecycle operations, with no action by another user.\nS:U - The flaw compromises the same host or guest kernel security authority in which the vulnerable QAT driver executes; ordinary kernel privilege escalation does not change scope.\nC:H - The freed accel_dev can be reclaimed with attacker-influenced heap contents, and the status path follows stale pointers and invokes callbacks, providing a defensible route to arbitrary kernel-memory disclosure.\nI:H - Mutex operations and configuration paths write through the reclaimed object, while forged hw_device callbacks provide a plausible control-flow-hijack and arbitrary-kernel-write primitive.\nA:H - The UAF is confirmed to cause a KASAN kernel failure, and repeated malformed ioctls can independently create a printk storm leading to stalls, watchdog lockups, or panic."}]}], "affected": [{"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"}], "references": [{"url": "https://git.kernel.org/stable/c/071590a44cbc38483fceb1ab943363ec26868e1b"}, {"url": "https://git.kernel.org/stable/c/1de076f43e64bf65fbe7280a269c70e0e60518df"}, {"url": "https://git.kernel.org/stable/c/a4999664a5ef77bdb0c6e6b935f581ac8ce6b63a"}, {"url": "https://git.kernel.org/stable/c/6848a6e39cac44fdb7cb88f0f777df62172d1551"}, {"url": "https://git.kernel.org/stable/c/b1ea97076bd0a5196290deba172034e480646727"}, {"url": "https://git.kernel.org/stable/c/b8ebf008696de1ec08c90d51f94d7e40bd448be1"}, {"url": "https://git.kernel.org/stable/c/de2cc38489b629927910b1aeff69bba7bd5c6f1b"}, {"url": "https://git.kernel.org/stable/c/3ae49dd04dbb11fb73f17f58a982dba128abe83a"}, {"url": "https://git.kernel.org/stable/c/d237230728c567297f2f98b425d63156ab2ed17f"}], "x_generator": {"engine": "bippy-1.2.0"}, "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."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.260", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.211", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.177", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.144", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.95", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.37", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.0.14", "versionStartIncluding": "3.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.1.2", "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": "2026-08-17T04:57:06.789Z"}}}, "cveMetadata": {"cveId": "CVE-2026-64529", "state": "PUBLISHED", "dateUpdated": "2026-10-16T15:42:39.580Z", "dateReserved": "2026-07-19T15:36:31.794Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-07-25T09:24:18.750Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "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"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "071590a44cbc38483fceb1ab943363ec26868e1b", "status": "affected", "version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "versionType": "git"}, {"lessThan": "1de076f43e64bf65fbe7280a269c70e0e60518df", "status": "affected", "version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "versionType": "git"}, {"lessThan": "a4999664a5ef77bdb0c6e6b935f581ac8ce6b63a", "status": "affected", "version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "versionType": "git"}, {"lessThan": "6848a6e39cac44fdb7cb88f0f777df62172d1551", "status": "affected", "version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "versionType": "git"}, {"lessThan": "b1ea97076bd0a5196290deba172034e480646727", "status": "affected", "version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "versionType": "git"}, {"lessThan": "b8ebf008696de1ec08c90d51f94d7e40bd448be1", "status": "affected", "version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "versionType": "git"}, {"lessThan": "de2cc38489b629927910b1aeff69bba7bd5c6f1b", "status": "affected", "version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "versionType": "git"}, {"lessThan": "3ae49dd04dbb11fb73f17f58a982dba128abe83a", "status": "affected", "version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "versionType": "git"}, {"lessThan": "d237230728c567297f2f98b425d63156ab2ed17f", "status": "affected", "version": "d8cba25d2c68992a6e7c1d329b690a9ebe01167d", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "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"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.17"}, {"lessThan": "3.17", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.260", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.211", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.177", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.144", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.95", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.37", "versionType": "semver"}, {"lessThanOrEqual": "7.0.*", "status": "unaffected", "version": "7.0.14", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.2", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "AA117503-7540-4B89-B518-00393FAA8A66", "versionEndExcluding": "5.10.260", "versionStartIncluding": "3.17", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D71C101E-388C-4A46-BD99-49049F7C5CFF", "versionEndExcluding": "5.15.211", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "333C9E30-7FD4-46A2-94EF-C1AA1F3EE28B", "versionEndExcluding": "6.1.177", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C8AD3BC8-C843-423C-B9DB-CB52F67F578E", "versionEndExcluding": "6.6.144", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4E206B86-E0E3-4394-A93F-39F2D50A8AA8", "versionEndExcluding": "6.12.95", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E08ACB05-518A-4D61-A6C4-268D1BB6BF46", "versionEndExcluding": "6.18.37", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6241DF06-E6F3-4B61-B5A2-A60F2AE5B982", "versionEndExcluding": "7.0.14", "versionStartIncluding": "6.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C18FAA06-B61A-4036-A12D-F06F5135E64B", "versionEndExcluding": "7.1.2", "versionStartIncluding": "7.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}], "id": "CVE-2026-64529", "lastModified": "2026-11-12T21:44:52.887", "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-2026-64529", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T15:41:41.952211Z", "version": "2.0.3"}}]}, "published": "2026-07-25T10:17:39.317", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/071590a44cbc38483fceb1ab943363ec26868e1b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1de076f43e64bf65fbe7280a269c70e0e60518df"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3ae49dd04dbb11fb73f17f58a982dba128abe83a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6848a6e39cac44fdb7cb88f0f777df62172d1551"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a4999664a5ef77bdb0c6e6b935f581ac8ce6b63a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b1ea97076bd0a5196290deba172034e480646727"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b8ebf008696de1ec08c90d51f94d7e40bd448be1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d237230728c567297f2f98b425d63156ab2ed17f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/de2cc38489b629927910b1aeff69bba7bd5c6f1b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-489"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: crypto: qat - remove unused character device and IOCTLs", "id": "2507161", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507161"}, "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-749", "details": ["A flaw was found in the Linux kernel's QAT (QuickAssist Technology) driver. Unused character devices and IOCTLs (Input/Output Control) were exposed, which increased the potential attack surface. Removing these interfaces reduces the risk of future vulnerabilities and improves the overall security posture of the system."], "name": "CVE-2026-64529", "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": "2026-07-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64529\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64529\nhttps://lore.kernel.org/linux-cve-announce/2026072500-CVE-2026-64529-04eb@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8cba25d2c68992a6e7c1d329b690a9ebe01167d,071590a44cbc38483fceb1ab943363ec26868e1b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8cba25d2c68992a6e7c1d329b690a9ebe01167d,1de076f43e64bf65fbe7280a269c70e0e60518df)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8cba25d2c68992a6e7c1d329b690a9ebe01167d,a4999664a5ef77bdb0c6e6b935f581ac8ce6b63a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8cba25d2c68992a6e7c1d329b690a9ebe01167d,6848a6e39cac44fdb7cb88f0f777df62172d1551)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8cba25d2c68992a6e7c1d329b690a9ebe01167d,b1ea97076bd0a5196290deba172034e480646727)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8cba25d2c68992a6e7c1d329b690a9ebe01167d,b8ebf008696de1ec08c90d51f94d7e40bd448be1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8cba25d2c68992a6e7c1d329b690a9ebe01167d,d237230728c567297f2f98b425d63156ab2ed17f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8cba25d2c68992a6e7c1d329b690a9ebe01167d,3ae49dd04dbb11fb73f17f58a982dba128abe83a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d8cba25d2c68992a6e7c1d329b690a9ebe01167d,de2cc38489b629927910b1aeff69bba7bd5c6f1b)"}}], "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": "[5.10.260,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.211,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.177,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.144,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.95,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.37,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.14,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.2,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "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": "2026-07-26T01:45:03.123898+00:00", "updated": "2026-10-20T10:00:14.822591+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}