CVE-2026-97929
CVE CVE-2026-97929EUVD EUVD-2026-86783Published 2026-09-25T10:22:46.000Z
What the advisory describes
In the Linux kernel, the following vulnerability has been resolved: ALSA: usbusx2y: validate URB actual_length in interrupt callback i_usx2y_in04_int() processes the interrupt URB data without checking urb->actual_length. A short transfer from a malfunctioning device would cause the handler to process uninitialized heap data from the kmalloc-allocated in04_buf, which is then copied to the mmap-accessible ctl_snapshot[] array. Fix by using kzalloc() for in04_buf to zero-initialize the buffer, and adding an actual_length check to skip processing on short transfers while still resubmitting the URB.
Source: EUVD (ENISA), in the words of the advisory.
Products the advisory names
These come from the advisory itself, not from any check we performed.
- Linux — Linux patch: 6.18.53; patch: 6.12.111; 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <8f5ef203abda9dd36b2af473c7b737d544f807bd; patch: 0; patch: 7.2.7; 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <b0c30fe6c0d5902bd8a7d1d5720bead5bbe46f7d; 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <c156584999bf15118f523ef6c6fedc5b21f46bd9; patch: 7.3-rc3; 2.6.12; 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <2770321b358658e0a39fe39ccf6a91ee97a81931
The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.
Carried in the product catalogue
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- Linux — Linux
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