CVE-2026-46184
sound: ua101: fix division by zero at probe
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
5th
In the Linux kernel, the following vulnerability has been resolved: sound: ua101: fix division by zero at probe Add a missing sanity check for bNrChannels in detect_usb_format() to prevent a division by zero in playback_urb_complete() and capture_urb_complete(). USB core does not validate class-specific descriptor fields such as bNrChannels, so drivers must verify them before use. If a device provides bNrChannels = 0, frame_bytes becomes zero and is later used as a divisor in the URB completion handlers, leading to a kernel crash.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 28, 2026 |
| Last Updated | Jun 1, 2026 |
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Affected Versions
Linux / Linux
63978ab3e3e963db28093b53bb4598f2702e1ad7 < e02897c5b041c9b980055fa9a6167023d6dc5caf 63978ab3e3e963db28093b53bb4598f2702e1ad7 < aae1498c59f48d03ee358df84f07a5af9885f827 63978ab3e3e963db28093b53bb4598f2702e1ad7 < 66d9c2ed081f299cfb201d9e9c4faf920e56e0bf 63978ab3e3e963db28093b53bb4598f2702e1ad7 < 6162e8212e88c39492d981b248b5e37002486c66 63978ab3e3e963db28093b53bb4598f2702e1ad7 < 593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983 63978ab3e3e963db28093b53bb4598f2702e1ad7 < 0ff2b713f406e9ecadb406014d74e7a020ac12b1 63978ab3e3e963db28093b53bb4598f2702e1ad7 < f1862dbf09080254c52175a448290c784dd7d3de 63978ab3e3e963db28093b53bb4598f2702e1ad7 < d1f73f169c1014463b5060e3f60813e13ddc7b87
Linux / Linux
2.6.34
References
git.kernel.org: https://git.kernel.org/stable/c/e02897c5b041c9b980055fa9a6167023d6dc5caf git.kernel.org: https://git.kernel.org/stable/c/aae1498c59f48d03ee358df84f07a5af9885f827 git.kernel.org: https://git.kernel.org/stable/c/66d9c2ed081f299cfb201d9e9c4faf920e56e0bf git.kernel.org: https://git.kernel.org/stable/c/6162e8212e88c39492d981b248b5e37002486c66 git.kernel.org: https://git.kernel.org/stable/c/593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983 git.kernel.org: https://git.kernel.org/stable/c/0ff2b713f406e9ecadb406014d74e7a020ac12b1 git.kernel.org: https://git.kernel.org/stable/c/f1862dbf09080254c52175a448290c784dd7d3de git.kernel.org: https://git.kernel.org/stable/c/d1f73f169c1014463b5060e3f60813e13ddc7b87