CVE-2026-64348

{"id": "CVE-2026-64348", "cveTags": [], "metrics": {"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": "8de98402652c01839ae321be6cb3054cf5735d83", "lessThan": "b0d00d077f9738d215af9b50c74dffab7a1de19f", "versionType": "git"}, {"status": "affected", "version": "8de98402652c01839ae321be6cb3054cf5735d83", "lessThan": "be5004395dfd0b6ec310db359f887fa396fd0dd2", "versionType": "git"}, {"status": "affected", "version": "8de98402652c01839ae321be6cb3054cf5735d83", "lessThan": "8890699eea19027ef6e4f9cbcf27cba5e789793f", "versionType": "git"}, {"status": "affected", "version": "8de98402652c01839ae321be6cb3054cf5735d83", "lessThan": "6bc17a78a05671d303820224fb37ca339c1dc2cb", "versionType": "git"}, {"status": "affected", "version": "8de98402652c01839ae321be6cb3054cf5735d83", "lessThan": "4bb88aee6b868cbf73bf453f62497802f5fe4769", "versionType": "git"}, {"status": "affected", "version": "8de98402652c01839ae321be6cb3054cf5735d83", "lessThan": "b9399d25fbb34a05bbe76eeedd730f62ff2670e9", "versionType": "git"}], "programFiles": ["drivers/usb/fotg210/fotg210-hcd.c", "drivers/usb/host/ehci-sched.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "2.6.15"}, {"status": "unaffected", "version": "0", "lessThan": "2.6.15", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.261", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "6.6.145", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.96", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.39", "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/fotg210/fotg210-hcd.c", "drivers/usb/host/ehci-sched.c"], "defaultStatus": "affected"}]}], "published": "2026-07-25T10:17:17.040", "references": [{"url": "https://git.kernel.org/stable/c/4bb88aee6b868cbf73bf453f62497802f5fe4769", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/6bc17a78a05671d303820224fb37ca339c1dc2cb", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8890699eea19027ef6e4f9cbcf27cba5e789793f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b0d00d077f9738d215af9b50c74dffab7a1de19f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b9399d25fbb34a05bbe76eeedd730f62ff2670e9", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/be5004395dfd0b6ec310db359f887fa396fd0dd2", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "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: free iso schedules on failed submit\n\nEHCI and FOTG210 isochronous submits build an ehci_iso_sched before\nlinking the URB to the endpoint queue, and keep the staged schedule in\nurb->hcpriv until iso_stream_schedule() and the link helpers consume it.\nIf the controller is no longer accessible, or usb_hcd_link_urb_to_ep()\nfails, submit jumps to done_not_linked before that handoff happens and\nleaks the staged schedule still attached to urb->hcpriv.\n\nFree the staged schedule from done_not_linked when submit fails before\nthe URB is linked and clear urb->hcpriv after the free.\n\nThe bug was first flagged by an experimental analysis tool we are\ndeveloping for kernel memory-management bugs while analyzing\nv6.13-rc1. The tool is still under development and is not yet publicly\navailable. Manual inspection confirms that the bug is still\npresent in v7.1.1.\n\nAn x86_64 allyesconfig build showed no new warnings. As we do not have an\nEHCI host controller with a USB isochronous device to test with, no\nruntime testing was able to be performed."}], "lastModified": "2026-09-03T16:03:56.440", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "00AF9AA6-CEBA-4198-A7F6-298DA167062C", "versionEndExcluding": "5.10.261", "versionStartIncluding": "2.6.15.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CA9CEC46-431F-4DB2-AFC6-D1CE68AD27CA", "versionEndExcluding": "6.6.145", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "38A8100E-2B1A-462F-AEE9-8901B870FEF2", "versionEndExcluding": "6.12.96", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "914AE4BC-3D59-4C5A-9DB5-9CE327B429F7", "versionEndExcluding": "6.18.39", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6228DDD6-4557-4AA3-9F43-AB995D471E42", "versionEndExcluding": "7.1.4", "versionStartIncluding": "6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.15:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C7623CAC-67FF-477D-9F80-F383014C82DC"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.15:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A89DC9CD-C06F-4B9B-B376-900E65016296"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.15:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "15BED7A7-3E96-43EF-8B6F-3C94897C3AA1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.15:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8C6FCAC4-B6C6-4125-B3AC-F30407AA7738"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.15:rc7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "707ECC75-65B6-4B02-BE85-A4804549A2DD"}, {"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"}