Description
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.
Product status
63978ab3e3e963db28093b53bb4598f2702e1ad7 (git) before e02897c5b041c9b980055fa9a6167023d6dc5caf
63978ab3e3e963db28093b53bb4598f2702e1ad7 (git) before aae1498c59f48d03ee358df84f07a5af9885f827
63978ab3e3e963db28093b53bb4598f2702e1ad7 (git) before 66d9c2ed081f299cfb201d9e9c4faf920e56e0bf
63978ab3e3e963db28093b53bb4598f2702e1ad7 (git) before 6162e8212e88c39492d981b248b5e37002486c66
63978ab3e3e963db28093b53bb4598f2702e1ad7 (git) before 593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983
63978ab3e3e963db28093b53bb4598f2702e1ad7 (git) before 0ff2b713f406e9ecadb406014d74e7a020ac12b1
63978ab3e3e963db28093b53bb4598f2702e1ad7 (git) before f1862dbf09080254c52175a448290c784dd7d3de
63978ab3e3e963db28093b53bb4598f2702e1ad7 (git) before d1f73f169c1014463b5060e3f60813e13ddc7b87
2.6.34
Any version before 2.6.34
5.10.258 (semver)
5.15.209 (semver)
6.1.175 (semver)
6.6.140 (semver)
6.12.88 (semver)
6.18.30 (semver)
7.0.7 (semver)
7.1-rc2 (original_commit_for_fix)
References
git.kernel.org/...c/e02897c5b041c9b980055fa9a6167023d6dc5caf
git.kernel.org/...c/aae1498c59f48d03ee358df84f07a5af9885f827
git.kernel.org/...c/66d9c2ed081f299cfb201d9e9c4faf920e56e0bf
git.kernel.org/...c/6162e8212e88c39492d981b248b5e37002486c66
git.kernel.org/...c/593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983
git.kernel.org/...c/0ff2b713f406e9ecadb406014d74e7a020ac12b1
git.kernel.org/...c/f1862dbf09080254c52175a448290c784dd7d3de
git.kernel.org/...c/d1f73f169c1014463b5060e3f60813e13ddc7b87