{"id":"CVE-2026-97929","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usbusx2y: validate URB actual_length in interrupt callback\n\ni_usx2y_in04_int() processes the interrupt URB data without checking\nurb->actual_length","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usbusx2y: validate URB actual_length in interrupt callback\n\ni_usx2y_in04_int() processes the interrupt URB data without checking\nurb->actual_length.  A short tran…","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c156584999bf15118f523ef6c6fedc5b21f46bd9","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b0c30fe6c0d5902bd8a7d1d5720bead5bbe46f7d","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 2770321b358658e0a39fe39ccf6a91ee97a81931","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 8f5ef203abda9dd36b2af473c7b737d544f807bd","Linux 2.6.12"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T11:17:20.167","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-97929","references":[{"url":"https://git.kernel.org/stable/c/2770321b358658e0a39fe39ccf6a91ee97a81931","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8f5ef203abda9dd36b2af473c7b737d544f807bd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b0c30fe6c0d5902bd8a7d1d5720bead5bbe46f7d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c156584999bf15118f523ef6c6fedc5b21f46bd9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97929.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-97929"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2541060"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-97929"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97929"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97929.mbox"},{"url":"https://git.kernel.org/stable/c/c3576cb77b527f223cf2b9fc2b2e9af5e7adee25"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-09-25T11:06:38.886Z","epss":0.00201,"epssPercentile":0.09868,"cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-908"],"slug":"CVE-2026-97929","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usbusx2y: validate URB actual_length in interrupt callback\n\ni_usx2y_in04_int() processes the interrupt URB data without checking\nurb->actual_length.  A short transfer from a malfunctioning device\nwould cause the handler to process uninitialized heap data from the\nkmalloc-allocated in04_buf, which is then copied to the mmap-accessible\nctl_snapshot[] array.\n\nFix by using kzalloc() for in04_buf to zero-initialize the buffer,\nand adding an actual_length check to skip processing on short\ntransfers while still resubmitting the URB.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, … · updated 2026-10-17 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97929.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":213365,"id":"CVE-2026-97929","ts":1790754699896,"field":"cvss","old":null,"new":"5.5"},{"seq":213364,"id":"CVE-2026-97929","ts":1790754699896,"field":"severity","old":"none","new":"medium"}]}