{"id":"CVE-2026-46018","title":"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 …","summary":"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 …","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 3.0.81, < 3.1","linux_kernel >= 3.2.47, < 5.10.258","linux_kernel >= 5.11, < 5.15.209","linux_kernel >= 5.16, < 6.1.175","linux_kernel >= 6.2, < 6.6.140","linux_kernel >= 6.7, < 6.12.86","linux_kernel >= 6.13, < 6.18.27","linux_kernel >= 6.19, < 7.0.4"],"patched":["linux_kernel 7.0.4"],"published":"2026-05-27","updated":"2026-10-15","sourceUpdated":"2026-10-15T02:19:38.443","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-46018","references":[{"url":"https://git.kernel.org/stable/c/0da05fedf5e1966b7e7d389866cb86fcf09f4b32","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3c318f97dcc50b2e0556a1813bd6958678e881fd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4d7893a137eadb6163ea4298bf67d74b811d76ef","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5436bc1b07d4656f99412dc72871d250d7d55205","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a0b78639ef09b2e77974a3de3b1c07f6de3c5e56","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ab5ba9fd138758ddc50222264ff246b31e397abf","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ba036305323814ec1f8655313b2fa6a0f7048716","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f14bd323eec4b4f0ef662520ec852e593ece1d4c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-784472.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00162,"epssPercentile":0.05009,"ingestedAt":"2026-10-15T03:30:12.880Z","slug":"CVE-2026-46018","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `linux_kernel >= 3.0.81, < 3.1`\n- `linux_kernel >= 3.2.47, < 5.10.258`\n- `linux_kernel >= 5.11, < 5.15.209`\n- `linux_kernel >= 5.16, < 6.1.175`\n- `linux_kernel >= 6.2, < 6.6.140`\n- `linux_kernel >= 6.7, < 6.12.86`\n- `linux_kernel >= 6.13, < 6.18.27`\n- `linux_kernel >= 6.19, < 7.0.4`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 7.0.4`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}