CVE-2026-31620
ALSA: usx2y: us144mkii: fix NULL deref on missing interface 0
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: ALSA: usx2y: us144mkii: fix NULL deref on missing interface 0 A malicious USB device with the TASCAM US-144MKII device id can have a configuration containing bInterfaceNumber=1 but no interface 0. USB configuration descriptors are not required to assign interface numbers sequentially, so usb_ifnum_to_if(dev, 0) returns will NULL, which will then be dereferenced directly. Fix this up by checking the return value properly.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Apr 24, 2026 |
Stay Ahead of the Next One
Get instant alerts for linux linux
Be the first to know when new unknown vulnerabilities affecting linux linux are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
Linux / Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 09b145c1f1331c40dc955c0024d636f25417cddb 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < fbaf29ce00e7bce683f3faf4f2b326bd0a9e6602 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < d04dd67ab10dc978c6c843c6bd6a2a66a9444f51
Linux / Linux
All versions affected