{"api_version":"1","generated_at":"2026-05-28T04:24:02+00:00","cve":"CVE-2026-46018","urls":{"html":"https://cve.report/CVE-2026-46018","api":"https://cve.report/api/cve/CVE-2026-46018.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46018","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46018"},"summary":{"title":"ALSA: usb-audio: stop parsing UAC2 rates at MAX_NR_RATES","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: stop parsing UAC2 rates at MAX_NR_RATES\n\nparse_uac2_sample_rate_range() caps the number of enumerated\nrates at MAX_NR_RATES, but it only breaks out of the current\nrate loop. A malformed UAC2 RANGE response with additional\ntriplets continues parsing the remaining triplets and repeatedly\nprints \"invalid uac2 rates\" while probe still holds\nregister_mutex.\n\nStop the whole parse once the cap is reached and return the\nnumber of rates collected so far.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-27 14:17:20","updated_at":"2026-05-27 14:48:03"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/ba036305323814ec1f8655313b2fa6a0f7048716","name":"https://git.kernel.org/stable/c/ba036305323814ec1f8655313b2fa6a0f7048716","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4d7893a137eadb6163ea4298bf67d74b811d76ef","name":"https://git.kernel.org/stable/c/4d7893a137eadb6163ea4298bf67d74b811d76ef","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3c318f97dcc50b2e0556a1813bd6958678e881fd","name":"https://git.kernel.org/stable/c/3c318f97dcc50b2e0556a1813bd6958678e881fd","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a0b78639ef09b2e77974a3de3b1c07f6de3c5e56","name":"https://git.kernel.org/stable/c/a0b78639ef09b2e77974a3de3b1c07f6de3c5e56","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ab5ba9fd138758ddc50222264ff246b31e397abf","name":"https://git.kernel.org/stable/c/ab5ba9fd138758ddc50222264ff246b31e397abf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-46018","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46018","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4fa0e81b83503900be277e6273a79651b375e288 ab5ba9fd138758ddc50222264ff246b31e397abf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4fa0e81b83503900be277e6273a79651b375e288 ba036305323814ec1f8655313b2fa6a0f7048716 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4fa0e81b83503900be277e6273a79651b375e288 4d7893a137eadb6163ea4298bf67d74b811d76ef git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4fa0e81b83503900be277e6273a79651b375e288 a0b78639ef09b2e77974a3de3b1c07f6de3c5e56 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4fa0e81b83503900be277e6273a79651b375e288 3c318f97dcc50b2e0556a1813bd6958678e881fd git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 44f059fb742aac78cffdab5e0d8fe0c9910c1ded git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c25a53781f61c78bf2a2fa308bbd35b42ba346f6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3.0.81 3.1 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3.2.47 3.3 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3.3","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 3.3 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 6.12.86 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.27 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.4 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1-rc1 * 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/format.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ab5ba9fd138758ddc50222264ff246b31e397abf","status":"affected","version":"4fa0e81b83503900be277e6273a79651b375e288","versionType":"git"},{"lessThan":"ba036305323814ec1f8655313b2fa6a0f7048716","status":"affected","version":"4fa0e81b83503900be277e6273a79651b375e288","versionType":"git"},{"lessThan":"4d7893a137eadb6163ea4298bf67d74b811d76ef","status":"affected","version":"4fa0e81b83503900be277e6273a79651b375e288","versionType":"git"},{"lessThan":"a0b78639ef09b2e77974a3de3b1c07f6de3c5e56","status":"affected","version":"4fa0e81b83503900be277e6273a79651b375e288","versionType":"git"},{"lessThan":"3c318f97dcc50b2e0556a1813bd6958678e881fd","status":"affected","version":"4fa0e81b83503900be277e6273a79651b375e288","versionType":"git"},{"status":"affected","version":"44f059fb742aac78cffdab5e0d8fe0c9910c1ded","versionType":"git"},{"status":"affected","version":"c25a53781f61c78bf2a2fa308bbd35b42ba346f6","versionType":"git"},{"lessThan":"3.1","status":"affected","version":"3.0.81","versionType":"semver"},{"lessThan":"3.3","status":"affected","version":"3.2.47","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["sound/usb/format.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.3"},{"lessThan":"3.3","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.140","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.86","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.27","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.140","versionStartIncluding":"3.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.86","versionStartIncluding":"3.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.27","versionStartIncluding":"3.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.4","versionStartIncluding":"3.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1-rc1","versionStartIncluding":"3.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0.81","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2.47","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: stop parsing UAC2 rates at MAX_NR_RATES\n\nparse_uac2_sample_rate_range() caps the number of enumerated\nrates at MAX_NR_RATES, but it only breaks out of the current\nrate loop. A malformed UAC2 RANGE response with additional\ntriplets continues parsing the remaining triplets and repeatedly\nprints \"invalid uac2 rates\" while probe still holds\nregister_mutex.\n\nStop the whole parse once the cap is reached and return the\nnumber of rates collected so far."}],"providerMetadata":{"dateUpdated":"2026-05-27T12:56:19.588Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/ab5ba9fd138758ddc50222264ff246b31e397abf"},{"url":"https://git.kernel.org/stable/c/ba036305323814ec1f8655313b2fa6a0f7048716"},{"url":"https://git.kernel.org/stable/c/4d7893a137eadb6163ea4298bf67d74b811d76ef"},{"url":"https://git.kernel.org/stable/c/a0b78639ef09b2e77974a3de3b1c07f6de3c5e56"},{"url":"https://git.kernel.org/stable/c/3c318f97dcc50b2e0556a1813bd6958678e881fd"}],"title":"ALSA: usb-audio: stop parsing UAC2 rates at MAX_NR_RATES","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-46018","datePublished":"2026-05-27T12:56:19.588Z","dateReserved":"2026-05-13T15:03:33.092Z","dateUpdated":"2026-05-27T12:56:19.588Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-27 14:17:20","lastModifiedDate":"2026-05-27 14:48:03","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"46018","Ordinal":"1","Title":"ALSA: usb-audio: stop parsing UAC2 rates at MAX_NR_RATES","CVE":"CVE-2026-46018","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"46018","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: stop parsing UAC2 rates at MAX_NR_RATES\n\nparse_uac2_sample_rate_range() caps the number of enumerated\nrates at MAX_NR_RATES, but it only breaks out of the current\nrate loop. A malformed UAC2 RANGE response with additional\ntriplets continues parsing the remaining triplets and repeatedly\nprints \"invalid uac2 rates\" while probe still holds\nregister_mutex.\n\nStop the whole parse once the cap is reached and return the\nnumber of rates collected so far.","Type":"Description","Title":"ALSA: usb-audio: stop parsing UAC2 rates at MAX_NR_RATES"}]}}}