{"id":"CVE-2026-97930","title":"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(str…","summary":"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(str…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 229cab526580f82839ae8e4e379753c8cf16952e","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 381495b5b3da12d714e53d9d12d955b13fe26eac","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b5753bdfd909f7f095fb464d67802b5e52cbadbf","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 861111a14740e12c36d363e9830f8daa734279c9","Linux 2.6.12"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T11:17:20.277","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-97930","references":[{"url":"https://git.kernel.org/stable/c/229cab526580f82839ae8e4e379753c8cf16952e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/381495b5b3da12d714e53d9d12d955b13fe26eac","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/861111a14740e12c36d363e9830f8daa734279c9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b5753bdfd909f7f095fb464d67802b5e52cbadbf","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-25T11:06:38.886Z","slug":"CVE-2026-97930","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}