CVE-2026-64341

{"id": "CVE-2026-64341", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-64341", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-06T16:35:54.838485Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "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": "946b960d13c15f050a3b848987aaca79f6a459b7", "lessThan": "9472acd56a020c93be4189d2dba9c743b9fc8039", "versionType": "git"}, {"status": "affected", "version": "946b960d13c15f050a3b848987aaca79f6a459b7", "lessThan": "4e7d3c98fed73d3be84d3e146d8d9be0309e725b", "versionType": "git"}, {"status": "affected", "version": "946b960d13c15f050a3b848987aaca79f6a459b7", "lessThan": "3c0a7b29ebb391d5f50b115e86f842b709195b08", "versionType": "git"}, {"status": "affected", "version": "946b960d13c15f050a3b848987aaca79f6a459b7", "lessThan": "30ec3025b771511625375fb3fb959aea3b45fb0d", "versionType": "git"}, {"status": "affected", "version": "946b960d13c15f050a3b848987aaca79f6a459b7", "lessThan": "71590982700fdeb39a37a500c877228b0140978e", "versionType": "git"}, {"status": "affected", "version": "946b960d13c15f050a3b848987aaca79f6a459b7", "lessThan": "c602254ba4c10f60a73cd99d147874f86a3f485c", "versionType": "git"}], "programFiles": ["drivers/usb/misc/iowarrior.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "2.6.21"}, {"status": "unaffected", "version": "0", "lessThan": "2.6.21", "versionType": "semver"}, {"status": "unaffected", "version": "6.1.191", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.160", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.97", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.58", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.1.4", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/usb/misc/iowarrior.c"], "defaultStatus": "affected"}]}], "published": "2026-07-25T10:17:16.117", "references": [{"url": "https://git.kernel.org/stable/c/30ec3025b771511625375fb3fb959aea3b45fb0d", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3c0a7b29ebb391d5f50b115e86f842b709195b08", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/4e7d3c98fed73d3be84d3e146d8d9be0309e725b", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/71590982700fdeb39a37a500c877228b0140978e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9472acd56a020c93be4189d2dba9c743b9fc8039", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c602254ba4c10f60a73cd99d147874f86a3f485c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: iowarrior: 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 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\")"}], "lastModified": "2026-11-06T17:18:49.747", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4E316C23-DFC6-4901-AB04-104361F57525", "versionEndExcluding": "6.12.97", "versionStartIncluding": "2.6.21.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1187F9AD-5A47-4C29-BB8A-361F11843511", "versionEndExcluding": "7.1.4", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.21:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A509AAC2-C059-4798-8B5E-AC4313926FD9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.21:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B1F60C33-3CEA-45F0-97FA-18C029270190"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.21:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "247E13CB-9B11-4B64-80AD-C0F8482CCC0E"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.21:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "903FE5D3-A9FB-466D-833B-448233BB0803"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.21:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "958EDC43-0848-4D93-9D07-6A085A5940B0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.21:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AD35F21D-0A28-4C14-BCF5-8EDA760701C0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.21:rc7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3AAD8BE9-A05B-40E8-80DF-0B2878968BD6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.2:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5E8B9085-7ADB-4A05-89EF-12949B6A0509"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.2:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1FC0D50D-9D58-4947-A197-A5A3FF07E7E3"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}