{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64344", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T15:36:31.781Z", "datePublished": "2026-07-25T08:50:06.461Z", "dateUpdated": "2026-07-25T08:50:06.461Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-25T08:50:06.461Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: idmouse: fix use-after-free on disconnect race\n\nmutex_unlock() may access the mutex structure after releasing the lock\nand therefore cannot be used to manage lifetime of objects directly\n(unlike spinlocks and refcounts). [1][2]\n\nUse a kref to release the driver data to avoid use-after-free in\nmutex_unlock() when release() races with disconnect().\n\n[1] a51749ab34d9 (\"locking/mutex: Document that mutex_unlock() is\n non-atomic\")\n[2] 2b9d9e0a9ba0 (\"locking/mutex: Clarify that mutex_unlock(), and most\n other sleeping locks, can still use the lock object\n after it's unlocked\")"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/misc/idmouse.c"], "versions": [{"version": "54d2bc068fd21bcb096660938bce7c7265613a24", "lessThan": "31e75fed8f90cfea9f8285e7ed135b0e452bf872", "status": "affected", "versionType": "git"}, {"version": "54d2bc068fd21bcb096660938bce7c7265613a24", "lessThan": "8d53b14ad4ccbff6d306b3a39c812303f4a87d41", "status": "affected", "versionType": "git"}, {"version": "54d2bc068fd21bcb096660938bce7c7265613a24", "lessThan": "f62622e947f82a3854a8502d09492ffbdeb252b4", "status": "affected", "versionType": "git"}, {"version": "54d2bc068fd21bcb096660938bce7c7265613a24", "lessThan": "60fc5ef4ecea3e3d1fe556cecf53ddd13096ef09", "status": "affected", "versionType": "git"}, {"version": "54d2bc068fd21bcb096660938bce7c7265613a24", "lessThan": "d0f61acb51a8c8f3fd41c303ddb7770cd83e7ed4", "status": "affected", "versionType": "git"}, {"version": "54d2bc068fd21bcb096660938bce7c7265613a24", "lessThan": "54c2b7356b4aeea467f9fb13b85e9e036bc428cb", "status": "affected", "versionType": "git"}, {"version": "54d2bc068fd21bcb096660938bce7c7265613a24", "lessThan": "e88cff5fbaa629f3cab45c8b46f395d62c2eb515", "status": "affected", "versionType": "git"}, {"version": "54d2bc068fd21bcb096660938bce7c7265613a24", "lessThan": "ff002c153f9722caece3983cc23dc4d9d4652cb4", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": 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"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": "2.6.24", "versionEndExcluding": "5.10.261"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.24", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.24", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.24", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.24", "versionEndExcluding": "6.12.96"}, {"vulnerable": true, "criteria": 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"https://git.kernel.org/stable/c/e88cff5fbaa629f3cab45c8b46f395d62c2eb515"}, {"url": "https://git.kernel.org/stable/c/ff002c153f9722caece3983cc23dc4d9d4652cb4"}], "title": "USB: idmouse: fix use-after-free on disconnect race", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/usb/misc/idmouse.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "31e75fed8f90cfea9f8285e7ed135b0e452bf872", "status": "affected", "version": "54d2bc068fd21bcb096660938bce7c7265613a24", "versionType": "git"}, {"lessThan": "8d53b14ad4ccbff6d306b3a39c812303f4a87d41", "status": "affected", "version": "54d2bc068fd21bcb096660938bce7c7265613a24", "versionType": "git"}, {"lessThan": "f62622e947f82a3854a8502d09492ffbdeb252b4", "status": "affected", "version": "54d2bc068fd21bcb096660938bce7c7265613a24", "versionType": "git"}, {"lessThan": "60fc5ef4ecea3e3d1fe556cecf53ddd13096ef09", "status": "affected", "version": "54d2bc068fd21bcb096660938bce7c7265613a24", "versionType": "git"}, {"lessThan": "d0f61acb51a8c8f3fd41c303ddb7770cd83e7ed4", "status": "affected", "version": "54d2bc068fd21bcb096660938bce7c7265613a24", "versionType": "git"}, {"lessThan": "54c2b7356b4aeea467f9fb13b85e9e036bc428cb", "status": "affected", "version": "54d2bc068fd21bcb096660938bce7c7265613a24", "versionType": "git"}, {"lessThan": "e88cff5fbaa629f3cab45c8b46f395d62c2eb515", "status": "affected", "version": "54d2bc068fd21bcb096660938bce7c7265613a24", "versionType": "git"}, {"lessThan": "ff002c153f9722caece3983cc23dc4d9d4652cb4", "status": "affected", "version": "54d2bc068fd21bcb096660938bce7c7265613a24", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/usb/misc/idmouse.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.24"}, {"lessThan": "2.6.24", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.261", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.212", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.178", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.145", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.96", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.39", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2-rc3", "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\nUSB: idmouse: fix use-after-free on disconnect race\n\nmutex_unlock() may access the mutex structure after releasing the lock\nand therefore cannot be used to manage lifetime of objects directly\n(unlike spinlocks and refcounts). [1][2]\n\nUse a kref to release the driver data to avoid use-after-free in\nmutex_unlock() when release() races with disconnect().\n\n[1] a51749ab34d9 (\"locking/mutex: Document that mutex_unlock() is\n non-atomic\")\n[2] 2b9d9e0a9ba0 (\"locking/mutex: Clarify that mutex_unlock(), and most\n other sleeping locks, can still use the lock object\n after it's unlocked\")"}], "id": "CVE-2026-64344", "lastModified": "2026-08-11T15:00:57.447", "metrics": {}, "published": "2026-07-25T10:17:16.487", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/31e75fed8f90cfea9f8285e7ed135b0e452bf872"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/54c2b7356b4aeea467f9fb13b85e9e036bc428cb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/60fc5ef4ecea3e3d1fe556cecf53ddd13096ef09"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8d53b14ad4ccbff6d306b3a39c812303f4a87d41"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d0f61acb51a8c8f3fd41c303ddb7770cd83e7ed4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e88cff5fbaa629f3cab45c8b46f395d62c2eb515"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f62622e947f82a3854a8502d09492ffbdeb252b4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ff002c153f9722caece3983cc23dc4d9d4652cb4"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: USB: idmouse: fix use-after-free on disconnect race", "id": "2507167", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507167"}, "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-364", "details": ["A flaw was found in the Linux kernel's USB idmouse driver. A local attacker could exploit a use-after-free vulnerability due to a race condition that occurs when a USB idmouse device is disconnected. This race condition allows `mutex_unlock()` to access freed memory, which can lead to a system crash and result in a denial of service."], "name": "CVE-2026-64344", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "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-2026-64344\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64344\nhttps://lore.kernel.org/linux-cve-announce/2026072516-CVE-2026-64344-3b7c@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[54d2bc068fd21bcb096660938bce7c7265613a24,31e75fed8f90cfea9f8285e7ed135b0e452bf872)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[54d2bc068fd21bcb096660938bce7c7265613a24,8d53b14ad4ccbff6d306b3a39c812303f4a87d41)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[54d2bc068fd21bcb096660938bce7c7265613a24,f62622e947f82a3854a8502d09492ffbdeb252b4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[54d2bc068fd21bcb096660938bce7c7265613a24,60fc5ef4ecea3e3d1fe556cecf53ddd13096ef09)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[54d2bc068fd21bcb096660938bce7c7265613a24,d0f61acb51a8c8f3fd41c303ddb7770cd83e7ed4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[54d2bc068fd21bcb096660938bce7c7265613a24,54c2b7356b4aeea467f9fb13b85e9e036bc428cb)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[54d2bc068fd21bcb096660938bce7c7265613a24,e88cff5fbaa629f3cab45c8b46f395d62c2eb515)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[54d2bc068fd21bcb096660938bce7c7265613a24,ff002c153f9722caece3983cc23dc4d9d4652cb4)"}}], "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": "2.6.24"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,2.6.24)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.261,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.212,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.178,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.145,6.7.0)"}}, {"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-rc3,*)"}}], "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": "2026-07-25T14:15:03.353086+00:00", "updated": "2026-08-03T19:15:04.378321+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}