{"api_version":"1","generated_at":"2026-06-03T06:48:15+00:00","cve":"CVE-2026-46184","urls":{"html":"https://cve.report/CVE-2026-46184","api":"https://cve.report/api/cve/CVE-2026-46184.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46184","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46184"},"summary":{"title":"sound: ua101: fix division by zero at probe","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsound: ua101: fix division by zero at probe\n\nAdd a missing sanity check for bNrChannels in detect_usb_format()\nto prevent a division by zero in playback_urb_complete() and\ncapture_urb_complete().\n\nUSB core does not validate class-specific descriptor fields such\nas bNrChannels, so drivers must verify them before use. If a\ndevice provides bNrChannels = 0, frame_bytes becomes zero and is\nlater used as a divisor in the URB completion handlers, leading\nto a kernel crash.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-28 10:16:34","updated_at":"2026-06-01 17:17:30"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983","name":"https://git.kernel.org/stable/c/593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6162e8212e88c39492d981b248b5e37002486c66","name":"https://git.kernel.org/stable/c/6162e8212e88c39492d981b248b5e37002486c66","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0ff2b713f406e9ecadb406014d74e7a020ac12b1","name":"https://git.kernel.org/stable/c/0ff2b713f406e9ecadb406014d74e7a020ac12b1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/66d9c2ed081f299cfb201d9e9c4faf920e56e0bf","name":"https://git.kernel.org/stable/c/66d9c2ed081f299cfb201d9e9c4faf920e56e0bf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d1f73f169c1014463b5060e3f60813e13ddc7b87","name":"https://git.kernel.org/stable/c/d1f73f169c1014463b5060e3f60813e13ddc7b87","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/aae1498c59f48d03ee358df84f07a5af9885f827","name":"https://git.kernel.org/stable/c/aae1498c59f48d03ee358df84f07a5af9885f827","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e02897c5b041c9b980055fa9a6167023d6dc5caf","name":"https://git.kernel.org/stable/c/e02897c5b041c9b980055fa9a6167023d6dc5caf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f1862dbf09080254c52175a448290c784dd7d3de","name":"https://git.kernel.org/stable/c/f1862dbf09080254c52175a448290c784dd7d3de","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-46184","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46184","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 63978ab3e3e963db28093b53bb4598f2702e1ad7 e02897c5b041c9b980055fa9a6167023d6dc5caf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 63978ab3e3e963db28093b53bb4598f2702e1ad7 aae1498c59f48d03ee358df84f07a5af9885f827 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 63978ab3e3e963db28093b53bb4598f2702e1ad7 66d9c2ed081f299cfb201d9e9c4faf920e56e0bf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 63978ab3e3e963db28093b53bb4598f2702e1ad7 6162e8212e88c39492d981b248b5e37002486c66 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.209 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.175 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.140 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.88 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.30 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.7 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1-rc2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"46184","cve":"CVE-2026-46184","epss":"0.000240000","percentile":"0.072780000","score_date":"2026-06-02","updated_at":"2026-06-03 00:08:16"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["sound/usb/misc/ua101.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e02897c5b041c9b980055fa9a6167023d6dc5caf","status":"affected","version":"63978ab3e3e963db28093b53bb4598f2702e1ad7","versionType":"git"},{"lessThan":"aae1498c59f48d03ee358df84f07a5af9885f827","status":"affected","version":"63978ab3e3e963db28093b53bb4598f2702e1ad7","versionType":"git"},{"lessThan":"66d9c2ed081f299cfb201d9e9c4faf920e56e0bf","status":"affected","version":"63978ab3e3e963db28093b53bb4598f2702e1ad7","versionType":"git"},{"lessThan":"6162e8212e88c39492d981b248b5e37002486c66","status":"affected","version":"63978ab3e3e963db28093b53bb4598f2702e1ad7","versionType":"git"},{"lessThan":"593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983","status":"affected","version":"63978ab3e3e963db28093b53bb4598f2702e1ad7","versionType":"git"},{"lessThan":"0ff2b713f406e9ecadb406014d74e7a020ac12b1","status":"affected","version":"63978ab3e3e963db28093b53bb4598f2702e1ad7","versionType":"git"},{"lessThan":"f1862dbf09080254c52175a448290c784dd7d3de","status":"affected","version":"63978ab3e3e963db28093b53bb4598f2702e1ad7","versionType":"git"},{"lessThan":"d1f73f169c1014463b5060e3f60813e13ddc7b87","status":"affected","version":"63978ab3e3e963db28093b53bb4598f2702e1ad7","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["sound/usb/misc/ua101.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.34"},{"lessThan":"2.6.34","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":"6.6.140","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.88","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.30","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1-rc2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.258","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.209","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.175","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.140","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.88","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.30","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.7","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1-rc2","versionStartIncluding":"2.6.34","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsound: ua101: fix division by zero at probe\n\nAdd a missing sanity check for bNrChannels in detect_usb_format()\nto prevent a division by zero in playback_urb_complete() and\ncapture_urb_complete().\n\nUSB core does not validate class-specific descriptor fields such\nas bNrChannels, so drivers must verify them before use. If a\ndevice provides bNrChannels = 0, frame_bytes becomes zero and is\nlater used as a divisor in the URB completion handlers, leading\nto a kernel crash."}],"providerMetadata":{"dateUpdated":"2026-06-01T16:19:41.250Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/e02897c5b041c9b980055fa9a6167023d6dc5caf"},{"url":"https://git.kernel.org/stable/c/aae1498c59f48d03ee358df84f07a5af9885f827"},{"url":"https://git.kernel.org/stable/c/66d9c2ed081f299cfb201d9e9c4faf920e56e0bf"},{"url":"https://git.kernel.org/stable/c/6162e8212e88c39492d981b248b5e37002486c66"},{"url":"https://git.kernel.org/stable/c/593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983"},{"url":"https://git.kernel.org/stable/c/0ff2b713f406e9ecadb406014d74e7a020ac12b1"},{"url":"https://git.kernel.org/stable/c/f1862dbf09080254c52175a448290c784dd7d3de"},{"url":"https://git.kernel.org/stable/c/d1f73f169c1014463b5060e3f60813e13ddc7b87"}],"title":"sound: ua101: fix division by zero at probe","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-46184","datePublished":"2026-05-28T09:36:38.134Z","dateReserved":"2026-05-13T15:03:33.103Z","dateUpdated":"2026-06-01T16:19:41.250Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-28 10:16:34","lastModifiedDate":"2026-06-01 17:17:30","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"46184","Ordinal":"1","Title":"sound: ua101: fix division by zero at probe","CVE":"CVE-2026-46184","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"46184","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nsound: ua101: fix division by zero at probe\n\nAdd a missing sanity check for bNrChannels in detect_usb_format()\nto prevent a division by zero in playback_urb_complete() and\ncapture_urb_complete().\n\nUSB core does not validate class-specific descriptor fields such\nas bNrChannels, so drivers must verify them before use. If a\ndevice provides bNrChannels = 0, frame_bytes becomes zero and is\nlater used as a divisor in the URB completion handlers, leading\nto a kernel crash.","Type":"Description","Title":"sound: ua101: fix division by zero at probe"}]}}}