{"api_version":"1","generated_at":"2026-10-26T07:02:47+00:00","cve":"CVE-2026-97930","urls":{"html":"https://cve.report/CVE-2026-97930","api":"https://cve.report/api/cve/CVE-2026-97930.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-97930","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-97930"},"summary":{"title":"ALSA: usbusx2y: fix in04_last array size mismatch with in04_buf","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usbusx2y: fix in04_last array size mismatch with in04_buf\n\nThe in04_last array in struct usx2ydev is declared as char[24], but\nin04_buf is allocated as sizeof(struct us428_ctls) which is 21 bytes.\nIn i_usx2y_in04_int(), when ctl_snapshot_last == -2 (initialization\npath):\n\n    memcpy(usx2y->in04_last, usx2y->in04_buf, sizeof(usx2y->in04_last));\n\nThis copies 24 bytes from a 21-byte slab allocation, reading 3 bytes\npast the end of the source object.\n\nIntroduce a USX2Y_IN04_SIZE constant defined as sizeof(struct\nus428_ctls) and use it consistently for the in04_last array, the\nin04_buf allocation, the URB transfer length, and the comparison loop,\nreplacing the bare 24 and 21 literals throughout.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-25 11:17:20","updated_at":"2026-10-19 10:17:43"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/861111a14740e12c36d363e9830f8daa734279c9","name":"https://git.kernel.org/stable/c/861111a14740e12c36d363e9830f8daa734279c9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e75e4b0e647137f4c9f6dee4a7ef5b7b09e16f57","name":"https://git.kernel.org/stable/c/e75e4b0e647137f4c9f6dee4a7ef5b7b09e16f57","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b5753bdfd909f7f095fb464d67802b5e52cbadbf","name":"https://git.kernel.org/stable/c/b5753bdfd909f7f095fb464d67802b5e52cbadbf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/869fb83c072e884b80d93eab498e6040ffb010ba","name":"https://git.kernel.org/stable/c/869fb83c072e884b80d93eab498e6040ffb010ba","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/381495b5b3da12d714e53d9d12d955b13fe26eac","name":"https://git.kernel.org/stable/c/381495b5b3da12d714e53d9d12d955b13fe26eac","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d170cfbe38c8817ac787f605655546a6d343017d","name":"https://git.kernel.org/stable/c/d170cfbe38c8817ac787f605655546a6d343017d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/229cab526580f82839ae8e4e379753c8cf16952e","name":"https://git.kernel.org/stable/c/229cab526580f82839ae8e4e379753c8cf16952e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-97930","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97930","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 e75e4b0e647137f4c9f6dee4a7ef5b7b09e16f57 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 869fb83c072e884b80d93eab498e6040ffb010ba git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 d170cfbe38c8817ac787f605655546a6d343017d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 229cab526580f82839ae8e4e379753c8cf16952e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 381495b5b3da12d714e53d9d12d955b13fe26eac git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 b5753bdfd909f7f095fb464d67802b5e52cbadbf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 861111a14740e12c36d363e9830f8daa734279c9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2.6.12","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 2.6.12 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.222 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.189 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.158 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.111 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.53 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.7 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"97930","cve":"CVE-2026-97930","epss":"0.002050000","percentile":"0.095620000","score_date":"2026-10-05","updated_at":"2026-10-06 00:14:18"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["sound/usb/usx2y/usbusx2y.c","sound/usb/usx2y/usbusx2y.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e75e4b0e647137f4c9f6dee4a7ef5b7b09e16f57","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"869fb83c072e884b80d93eab498e6040ffb010ba","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"d170cfbe38c8817ac787f605655546a6d343017d","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"229cab526580f82839ae8e4e379753c8cf16952e","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"381495b5b3da12d714e53d9d12d955b13fe26eac","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"b5753bdfd909f7f095fb464d67802b5e52cbadbf","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"861111a14740e12c36d363e9830f8daa734279c9","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["sound/usb/usx2y/usbusx2y.c","sound/usb/usx2y/usbusx2y.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.12"},{"lessThan":"2.6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.222","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.189","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.158","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.111","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.53","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.222","versionStartIncluding":"2.6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.189","versionStartIncluding":"2.6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.158","versionStartIncluding":"2.6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.111","versionStartIncluding":"2.6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","versionStartIncluding":"2.6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.7","versionStartIncluding":"2.6.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"2.6.12","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usbusx2y: fix in04_last array size mismatch with in04_buf\n\nThe in04_last array in struct usx2ydev is declared as char[24], but\nin04_buf is allocated as sizeof(struct us428_ctls) which is 21 bytes.\nIn i_usx2y_in04_int(), when ctl_snapshot_last == -2 (initialization\npath):\n\n    memcpy(usx2y->in04_last, usx2y->in04_buf, sizeof(usx2y->in04_last));\n\nThis copies 24 bytes from a 21-byte slab allocation, reading 3 bytes\npast the end of the source object.\n\nIntroduce a USX2Y_IN04_SIZE constant defined as sizeof(struct\nus428_ctls) and use it consistently for the in04_last array, the\nin04_buf allocation, the URB transfer length, and the comparison loop,\nreplacing the bare 24 and 21 literals throughout."}],"providerMetadata":{"dateUpdated":"2026-10-19T09:10:57.146Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/e75e4b0e647137f4c9f6dee4a7ef5b7b09e16f57"},{"url":"https://git.kernel.org/stable/c/869fb83c072e884b80d93eab498e6040ffb010ba"},{"url":"https://git.kernel.org/stable/c/d170cfbe38c8817ac787f605655546a6d343017d"},{"url":"https://git.kernel.org/stable/c/229cab526580f82839ae8e4e379753c8cf16952e"},{"url":"https://git.kernel.org/stable/c/381495b5b3da12d714e53d9d12d955b13fe26eac"},{"url":"https://git.kernel.org/stable/c/b5753bdfd909f7f095fb464d67802b5e52cbadbf"},{"url":"https://git.kernel.org/stable/c/861111a14740e12c36d363e9830f8daa734279c9"}],"title":"ALSA: usbusx2y: fix in04_last array size mismatch with in04_buf","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-97930","datePublished":"2026-09-25T10:22:46.713Z","dateReserved":"2026-09-25T10:18:58.203Z","dateUpdated":"2026-10-19T09:10:57.146Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-25 11:17:20","lastModifiedDate":"2026-10-19 10:17:43","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"97930","Ordinal":"1","Title":"ALSA: usbusx2y: fix in04_last array size mismatch with in04_buf","CVE":"CVE-2026-97930","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"97930","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usbusx2y: fix in04_last array size mismatch with in04_buf\n\nThe in04_last array in struct usx2ydev is declared as char[24], but\nin04_buf is allocated as sizeof(struct us428_ctls) which is 21 bytes.\nIn i_usx2y_in04_int(), when ctl_snapshot_last == -2 (initialization\npath):\n\n    memcpy(usx2y->in04_last, usx2y->in04_buf, sizeof(usx2y->in04_last));\n\nThis copies 24 bytes from a 21-byte slab allocation, reading 3 bytes\npast the end of the source object.\n\nIntroduce a USX2Y_IN04_SIZE constant defined as sizeof(struct\nus428_ctls) and use it consistently for the in04_last array, the\nin04_buf allocation, the URB transfer length, and the comparison loop,\nreplacing the bare 24 and 21 literals throughout.","Type":"Description","Title":"ALSA: usbusx2y: fix in04_last array size mismatch with in04_buf"}]}}}