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Score 4.6 from GitHub Security Advisory published 2026-04-24. NVD baseline CVSS 4.6; sources differ by 0.0.
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.
April 24, 2026
April 28, 2026
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