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CVE-2026-31620

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CVE-2026-31620

Published: Apr 24, 2026

Modified: May 11, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
dee1bcf28a3dd13ddb2e9200407864f73e9c4d63 - < 09b145c1f1331c40dc955c0024d636f25417cddb
affected
dee1bcf28a3dd13ddb2e9200407864f73e9c4d63 - < fbaf29ce00e7bce683f3faf4f2b326bd0a9e6602
affected
dee1bcf28a3dd13ddb2e9200407864f73e9c4d63 - < d04dd67ab10dc978c6c843c6bd6a2a66a9444f51
affected
dee1bcf28a3dd13ddb2e9200407864f73e9c4d63 - < 48bd344e1040b9f2eb512be73c13f5db83efc191

Linux

Linux

affected
6.18
unaffected
0 - < 6.18
unaffected
6.18.24 - <= 6.18.*
unaffected
6.19.14 - <= 6.19.*
unaffected
7.0.1 - <= 7.0.*

+1 more versions

References

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