{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64348", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T15:36:31.782Z", "datePublished": "2026-07-25T08:50:08.983Z", "dateUpdated": "2026-07-25T08:50:08.983Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-25T08:50:08.983Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/fotg210/fotg210-hcd.c", "drivers/usb/host/ehci-sched.c"], "versions": [{"version": "8de98402652c01839ae321be6cb3054cf5735d83", "lessThan": "b0d00d077f9738d215af9b50c74dffab7a1de19f", "status": "affected", "versionType": "git"}, {"version": "8de98402652c01839ae321be6cb3054cf5735d83", "lessThan": "be5004395dfd0b6ec310db359f887fa396fd0dd2", "status": "affected", "versionType": "git"}, {"version": "8de98402652c01839ae321be6cb3054cf5735d83", "lessThan": "8890699eea19027ef6e4f9cbcf27cba5e789793f", "status": "affected", "versionType": "git"}, {"version": "8de98402652c01839ae321be6cb3054cf5735d83", "lessThan": "6bc17a78a05671d303820224fb37ca339c1dc2cb", "status": "affected", "versionType": "git"}, {"version": "8de98402652c01839ae321be6cb3054cf5735d83", "lessThan": "4bb88aee6b868cbf73bf453f62497802f5fe4769", "status": "affected", "versionType": "git"}, {"version": "8de98402652c01839ae321be6cb3054cf5735d83", "lessThan": "b9399d25fbb34a05bbe76eeedd730f62ff2670e9", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/fotg210/fotg210-hcd.c", "drivers/usb/host/ehci-sched.c"], "versions": [{"version": "2.6.15", "status": "affected"}, {"version": "0", "lessThan": "2.6.15", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.261", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.96", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.39", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.4", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc3", "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": "2.6.15", "versionEndExcluding": "5.10.261"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.15", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.15", "versionEndExcluding": "6.12.96"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.15", "versionEndExcluding": "6.18.39"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.15", "versionEndExcluding": "7.1.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.15", "versionEndExcluding": "7.2-rc3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b0d00d077f9738d215af9b50c74dffab7a1de19f"}, {"url": "https://git.kernel.org/stable/c/be5004395dfd0b6ec310db359f887fa396fd0dd2"}, {"url": "https://git.kernel.org/stable/c/8890699eea19027ef6e4f9cbcf27cba5e789793f"}, {"url": "https://git.kernel.org/stable/c/6bc17a78a05671d303820224fb37ca339c1dc2cb"}, {"url": "https://git.kernel.org/stable/c/4bb88aee6b868cbf73bf453f62497802f5fe4769"}, {"url": "https://git.kernel.org/stable/c/b9399d25fbb34a05bbe76eeedd730f62ff2670e9"}], "title": "usb: free iso schedules on failed submit", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8de98402652c01839ae321be6cb3054cf5735d83,b0d00d077f9738d215af9b50c74dffab7a1de19f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8de98402652c01839ae321be6cb3054cf5735d83,be5004395dfd0b6ec310db359f887fa396fd0dd2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8de98402652c01839ae321be6cb3054cf5735d83,8890699eea19027ef6e4f9cbcf27cba5e789793f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8de98402652c01839ae321be6cb3054cf5735d83,6bc17a78a05671d303820224fb37ca339c1dc2cb)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8de98402652c01839ae321be6cb3054cf5735d83,4bb88aee6b868cbf73bf453f62497802f5fe4769)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8de98402652c01839ae321be6cb3054cf5735d83,b9399d25fbb34a05bbe76eeedd730f62ff2670e9)"}}], "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": "2.6.15"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.15)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.261,5.11.0)"}}, {"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": "generic", "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": "2026-07-25T15:00:04.042667+00:00", "updated": "2026-07-25T15:00:04.042705+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}