{"api_version":"1","generated_at":"2026-08-06T14:12:50+00:00","cve":"CVE-2026-64601","urls":{"html":"https://cve.report/CVE-2026-64601","api":"https://cve.report/api/cve/CVE-2026-64601.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64601","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64601"},"summary":{"title":"ALSA: us144mkii: capture_urb_complete: redundant usb_anchor_urb corrupts anchor list on each resubmission","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: us144mkii: capture_urb_complete: redundant usb_anchor_urb corrupts anchor list on each resubmission\n\nIn capture_urb_complete(), usb_anchor_urb() is called on every\ncompletion callback, but the URB is already anchored from the\ninitial submission in tascam_trigger_start(). Each redundant call\ncorrupts the anchor's doubly-linked list and inflates the URB\nrefcount. When usb_kill_anchored_urbs() traverses the list during\nstream stop / suspend / disconnect, the corrupted list leads to\nuse-after-free.\n\nRemove the redundant usb_anchor_urb() from the resubmit path.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-06 08:16:35","updated_at":"2026-08-06 08:16:35"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/ab1db64912428cdf06a4f9542e16e0575e9ad59f","name":"https://git.kernel.org/stable/c/ab1db64912428cdf06a4f9542e16e0575e9ad59f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/16f14f55141d4c55c3f321f93c328fff7cd6860a","name":"https://git.kernel.org/stable/c/16f14f55141d4c55c3f321f93c328fff7cd6860a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5cff1529a2f9b3461a7f5a6e36a86682fc290534","name":"https://git.kernel.org/stable/c/5cff1529a2f9b3461a7f5a6e36a86682fc290534","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64601","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64601","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c1bb0c13e430623c26543baae5bb9ae21139db87 16f14f55141d4c55c3f321f93c328fff7cd6860a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c1bb0c13e430623c26543baae5bb9ae21139db87 ab1db64912428cdf06a4f9542e16e0575e9ad59f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c1bb0c13e430623c26543baae5bb9ae21139db87 5cff1529a2f9b3461a7f5a6e36a86682fc290534 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.39 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.4 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["sound/usb/usx2y/us144mkii_capture.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"16f14f55141d4c55c3f321f93c328fff7cd6860a","status":"affected","version":"c1bb0c13e430623c26543baae5bb9ae21139db87","versionType":"git"},{"lessThan":"ab1db64912428cdf06a4f9542e16e0575e9ad59f","status":"affected","version":"c1bb0c13e430623c26543baae5bb9ae21139db87","versionType":"git"},{"lessThan":"5cff1529a2f9b3461a7f5a6e36a86682fc290534","status":"affected","version":"c1bb0c13e430623c26543baae5bb9ae21139db87","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["sound/usb/usx2y/us144mkii_capture.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","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-rc2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.39","versionStartIncluding":"6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.4","versionStartIncluding":"6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc2","versionStartIncluding":"6.18","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: us144mkii: capture_urb_complete: redundant usb_anchor_urb corrupts anchor list on each resubmission\n\nIn capture_urb_complete(), usb_anchor_urb() is called on every\ncompletion callback, but the URB is already anchored from the\ninitial submission in tascam_trigger_start(). Each redundant call\ncorrupts the anchor's doubly-linked list and inflates the URB\nrefcount. When usb_kill_anchored_urbs() traverses the list during\nstream stop / suspend / disconnect, the corrupted list leads to\nuse-after-free.\n\nRemove the redundant usb_anchor_urb() from the resubmit path."}],"providerMetadata":{"dateUpdated":"2026-08-06T07:13:53.926Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/16f14f55141d4c55c3f321f93c328fff7cd6860a"},{"url":"https://git.kernel.org/stable/c/ab1db64912428cdf06a4f9542e16e0575e9ad59f"},{"url":"https://git.kernel.org/stable/c/5cff1529a2f9b3461a7f5a6e36a86682fc290534"}],"title":"ALSA: us144mkii: capture_urb_complete: redundant usb_anchor_urb corrupts anchor list on each resubmission","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64601","datePublished":"2026-08-06T07:13:53.926Z","dateReserved":"2026-07-19T15:36:31.799Z","dateUpdated":"2026-08-06T07:13:53.926Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-06 08:16:35","lastModifiedDate":"2026-08-06 08:16:35","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64601","Ordinal":"1","Title":"ALSA: us144mkii: capture_urb_complete: redundant usb_anchor_urb ","CVE":"CVE-2026-64601","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64601","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: us144mkii: capture_urb_complete: redundant usb_anchor_urb corrupts anchor list on each resubmission\n\nIn capture_urb_complete(), usb_anchor_urb() is called on every\ncompletion callback, but the URB is already anchored from the\ninitial submission in tascam_trigger_start(). Each redundant call\ncorrupts the anchor's doubly-linked list and inflates the URB\nrefcount. When usb_kill_anchored_urbs() traverses the list during\nstream stop / suspend / disconnect, the corrupted list leads to\nuse-after-free.\n\nRemove the redundant usb_anchor_urb() from the resubmit path.","Type":"Description","Title":"ALSA: us144mkii: capture_urb_complete: redundant usb_anchor_urb "}]}}}