{"api_version":"1","generated_at":"2026-06-25T21:57:11+00:00","cve":"CVE-2026-52963","urls":{"html":"https://cve.report/CVE-2026-52963","api":"https://cve.report/api/cve/CVE-2026-52963.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-52963","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-52963"},"summary":{"title":"ALSA: usb-audio: Bound MIDI endpoint descriptor scans","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Bound MIDI endpoint descriptor scans\n\nsnd_usbmidi_get_ms_info() validates the internal MIDIStreaming endpoint\ndescriptor size before using baAssocJackID[], but the descriptor walker can\nstill return a class-specific endpoint descriptor whose bLength exceeds the\nremaining bytes in the endpoint-extra scan.\n\nThat leaves later flexible-array reads bounded by bLength, but not by the\nremaining bytes in the endpoint-extra scan.\n\nStop walking when bLength is zero or\nextends past the remaining endpoint-extra scan.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-24 17:17:06","updated_at":"2026-06-24 17:17:06"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/09141583bd97f4bbd7358e29fd138fe798467cdb","name":"https://git.kernel.org/stable/c/09141583bd97f4bbd7358e29fd138fe798467cdb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3d3b2b01a3e73828e201ece96f863e7a3e0cdc6e","name":"https://git.kernel.org/stable/c/3d3b2b01a3e73828e201ece96f863e7a3e0cdc6e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/728ab0c72e49ca27185067984cd565425eb69b2e","name":"https://git.kernel.org/stable/c/728ab0c72e49ca27185067984cd565425eb69b2e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d6854daa67be623860f4e1873fd3d3c275aba4ed","name":"https://git.kernel.org/stable/c/d6854daa67be623860f4e1873fd3d3c275aba4ed","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c59159ce10e75b568cd0d4b29efcb0fb0ddecc94","name":"https://git.kernel.org/stable/c/c59159ce10e75b568cd0d4b29efcb0fb0ddecc94","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e2f1260a056eb3215c13c48c5378f3e4112dc3af","name":"https://git.kernel.org/stable/c/e2f1260a056eb3215c13c48c5378f3e4112dc3af","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c65b137d351e21cbc5630e73ef0eb1e1d75f5b20","name":"https://git.kernel.org/stable/c/c65b137d351e21cbc5630e73ef0eb1e1d75f5b20","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a0226560540c16717efcceaf15c862cf115b01d3","name":"https://git.kernel.org/stable/c/a0226560540c16717efcceaf15c862cf115b01d3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-52963","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52963","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5c6cd7021a05a02fcf37f360592d7c18d4d807fb e2f1260a056eb3215c13c48c5378f3e4112dc3af git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5c6cd7021a05a02fcf37f360592d7c18d4d807fb c65b137d351e21cbc5630e73ef0eb1e1d75f5b20 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5c6cd7021a05a02fcf37f360592d7c18d4d807fb 728ab0c72e49ca27185067984cd565425eb69b2e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5c6cd7021a05a02fcf37f360592d7c18d4d807fb 3d3b2b01a3e73828e201ece96f863e7a3e0cdc6e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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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/midi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e2f1260a056eb3215c13c48c5378f3e4112dc3af","status":"affected","version":"5c6cd7021a05a02fcf37f360592d7c18d4d807fb","versionType":"git"},{"lessThan":"c65b137d351e21cbc5630e73ef0eb1e1d75f5b20","status":"affected","version":"5c6cd7021a05a02fcf37f360592d7c18d4d807fb","versionType":"git"},{"lessThan":"728ab0c72e49ca27185067984cd565425eb69b2e","status":"affected","version":"5c6cd7021a05a02fcf37f360592d7c18d4d807fb","versionType":"git"},{"lessThan":"3d3b2b01a3e73828e201ece96f863e7a3e0cdc6e","status":"affected","version":"5c6cd7021a05a02fcf37f360592d7c18d4d807fb","versionType":"git"},{"lessThan":"a0226560540c16717efcceaf15c862cf115b01d3","status":"affected","version":"5c6cd7021a05a02fcf37f360592d7c18d4d807fb","versionType":"git"},{"lessThan":"09141583bd97f4bbd7358e29fd138fe798467cdb","status":"affected","version":"5c6cd7021a05a02fcf37f360592d7c18d4d807fb","versionType":"git"},{"lessThan":"c59159ce10e75b568cd0d4b29efcb0fb0ddecc94","status":"affected","version":"5c6cd7021a05a02fcf37f360592d7c18d4d807fb","versionType":"git"},{"lessThan":"d6854daa67be623860f4e1873fd3d3c275aba4ed","status":"affected","version":"5c6cd7021a05a02fcf37f360592d7c18d4d807fb","versionType":"git"},{"status":"affected","version":"9e0c71f2f633b0442661966228827d1a33df485f","versionType":"git"},{"status":"affected","version":"0868bc5654c07628c421547f0821650a8c2cb8f3","versionType":"git"},{"status":"affected","version":"78483c1c7741ffa72991d93d19a75bfdcc2cbf57","versionType":"git"},{"status":"affected","version":"65d95462001c6ccd9bc9499c1fc9a90eca9de496","versionType":"git"},{"status":"affected","version":"ca767cf0152d18fc299cde85b18d1f46ac21e1ba","versionType":"git"},{"lessThan":"4.5","status":"affected","version":"4.4.238","versionType":"semver"},{"lessThan":"4.10","status":"affected","version":"4.9.238","versionType":"semver"},{"lessThan":"4.15","status":"affected","version":"4.14.200","versionType":"semver"},{"lessThan":"4.20","status":"affected","version":"4.19.149","versionType":"semver"},{"lessThan":"5.5","status":"affected","version":"5.4.69","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["sound/usb/midi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.7"},{"lessThan":"5.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.141","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.258","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.209","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.175","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.141","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.91","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.33","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.10","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"5.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4.238","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9.238","vulnerable":true},{"criteria":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the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Bound MIDI endpoint descriptor scans\n\nsnd_usbmidi_get_ms_info() validates the internal MIDIStreaming endpoint\ndescriptor size before using baAssocJackID[], but the descriptor walker can\nstill return a class-specific endpoint descriptor whose bLength exceeds the\nremaining bytes in the endpoint-extra scan.\n\nThat leaves later flexible-array reads bounded by bLength, but not by the\nremaining bytes in the endpoint-extra scan.\n\nStop walking when bLength is zero or\nextends past the remaining endpoint-extra scan."}],"providerMetadata":{"dateUpdated":"2026-06-24T16:28:43.593Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/e2f1260a056eb3215c13c48c5378f3e4112dc3af"},{"url":"https://git.kernel.org/stable/c/c65b137d351e21cbc5630e73ef0eb1e1d75f5b20"},{"url":"https://git.kernel.org/stable/c/728ab0c72e49ca27185067984cd565425eb69b2e"},{"url":"https://git.kernel.org/stable/c/3d3b2b01a3e73828e201ece96f863e7a3e0cdc6e"},{"url":"https://git.kernel.org/stable/c/a0226560540c16717efcceaf15c862cf115b01d3"},{"url":"https://git.kernel.org/stable/c/09141583bd97f4bbd7358e29fd138fe798467cdb"},{"url":"https://git.kernel.org/stable/c/c59159ce10e75b568cd0d4b29efcb0fb0ddecc94"},{"url":"https://git.kernel.org/stable/c/d6854daa67be623860f4e1873fd3d3c275aba4ed"}],"title":"ALSA: usb-audio: Bound MIDI endpoint descriptor scans","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-52963","datePublished":"2026-06-24T16:28:43.593Z","dateReserved":"2026-06-09T07:44:35.374Z","dateUpdated":"2026-06-24T16:28:43.593Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-24 17:17:06","lastModifiedDate":"2026-06-24 17:17:06","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"52963","Ordinal":"1","Title":"ALSA: usb-audio: Bound MIDI endpoint descriptor scans","CVE":"CVE-2026-52963","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"52963","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Bound MIDI endpoint descriptor scans\n\nsnd_usbmidi_get_ms_info() validates the internal MIDIStreaming endpoint\ndescriptor size before using baAssocJackID[], but the descriptor walker can\nstill return a class-specific endpoint descriptor whose bLength exceeds the\nremaining bytes in the endpoint-extra scan.\n\nThat leaves later flexible-array reads bounded by bLength, but not by the\nremaining bytes in the endpoint-extra scan.\n\nStop walking when bLength is zero or\nextends past the remaining endpoint-extra scan.","Type":"Description","Title":"ALSA: usb-audio: Bound MIDI endpoint descriptor scans"}]}}}