{"id":"CVE-2026-97929","published":"2026-09-25T11:17:20.167","lastModified":"2026-09-25T11:17:20.167","description":"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 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.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/2770321b358658e0a39fe39ccf6a91ee97a81931","tags":[]},{"url":"https://git.kernel.org/stable/c/8f5ef203abda9dd36b2af473c7b737d544f807bd","tags":[]},{"url":"https://git.kernel.org/stable/c/b0c30fe6c0d5902bd8a7d1d5720bead5bbe46f7d","tags":[]},{"url":"https://git.kernel.org/stable/c/c156584999bf15118f523ef6c6fedc5b21f46bd9","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}