{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38249","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T04:51:23.997Z","datePublished":"2025-07-09T10:42:29.704Z","dateUpdated":"2026-05-11T21:24:08.873Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:24:08.873Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Fix out-of-bounds read in snd_usb_get_audioformat_uac3()\n\nIn snd_usb_get_audioformat_uac3(), the length value returned from\nsnd_usb_ctl_msg() is used directly for memory allocation without\nvalidation. This length is controlled by the USB device.\n\nThe allocated buffer is cast to a uac3_cluster_header_descriptor\nand its fields are accessed without verifying that the buffer\nis large enough. If the device returns a smaller than expected\nlength, this leads to an out-of-bounds read.\n\nAdd a length check to ensure the buffer is large enough for\nuac3_cluster_header_descriptor."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/usb/stream.c"],"versions":[{"version":"9a2fe9b801f585baccf8352d82839dcd54b300cf","lessThan":"24ff7d465c4284529bbfa207757bffb6f44b6403","status":"affected","versionType":"git"},{"version":"9a2fe9b801f585baccf8352d82839dcd54b300cf","lessThan":"2dc1c3edf67abd30c757f8054a5da61927cdda21","status":"affected","versionType":"git"},{"version":"9a2fe9b801f585baccf8352d82839dcd54b300cf","lessThan":"c3fb926abe90d86f5e3055e0035f04d9892a118b","status":"affected","versionType":"git"},{"version":"9a2fe9b801f585baccf8352d82839dcd54b300cf","lessThan":"6eb211788e1370af52a245d4d7da35c374c7b401","status":"affected","versionType":"git"},{"version":"9a2fe9b801f585baccf8352d82839dcd54b300cf","lessThan":"74fcb3852a2f579151ce80b9ed96cd916ba0d5d8","status":"affected","versionType":"git"},{"version":"9a2fe9b801f585baccf8352d82839dcd54b300cf","lessThan":"0ee87c2814deb5e42921281116ac3abcb326880b","status":"affected","versionType":"git"},{"version":"9a2fe9b801f585baccf8352d82839dcd54b300cf","lessThan":"11e740dc1a2c8590eb7074b5c4ab921bb6224c36","status":"affected","versionType":"git"},{"version":"9a2fe9b801f585baccf8352d82839dcd54b300cf","lessThan":"fb4e2a6e8f28a3c0ad382e363aeb9cd822007b8a","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/usb/stream.c"],"versions":[{"version":"4.17","status":"affected"},{"version":"0","lessThan":"4.17","status":"unaffected","versionType":"semver"},{"version":"5.4.296","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.240","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.187","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.143","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.96","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.36","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.15.5","lessThanOrEqual":"6.15.*","status":"unaffected","versionType":"semver"},{"version":"6.16","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"5.4.296"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"5.10.240"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"5.15.187"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.1.143"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.6.96"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.12.36"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.15.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.16"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/24ff7d465c4284529bbfa207757bffb6f44b6403"},{"url":"https://git.kernel.org/stable/c/2dc1c3edf67abd30c757f8054a5da61927cdda21"},{"url":"https://git.kernel.org/stable/c/c3fb926abe90d86f5e3055e0035f04d9892a118b"},{"url":"https://git.kernel.org/stable/c/6eb211788e1370af52a245d4d7da35c374c7b401"},{"url":"https://git.kernel.org/stable/c/74fcb3852a2f579151ce80b9ed96cd916ba0d5d8"},{"url":"https://git.kernel.org/stable/c/0ee87c2814deb5e42921281116ac3abcb326880b"},{"url":"https://git.kernel.org/stable/c/11e740dc1a2c8590eb7074b5c4ab921bb6224c36"},{"url":"https://git.kernel.org/stable/c/fb4e2a6e8f28a3c0ad382e363aeb9cd822007b8a"}],"title":"ALSA: usb-audio: Fix out-of-bounds read in snd_usb_get_audioformat_uac3()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T17:35:57.073Z"}}]}}