CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 4.6. It affects Linux.
CVE
CVE-2026-31620
Severity
MEDIUM
CVSS
4.6
EPSS
0.20%
Linux
Original NVD Description
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.
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