CVE-2026-23334 PUBLISHED

can: usb: f81604: handle short interrupt urb messages properly

Assigner: Linux
Reserved: 13.01.2026 Published: 25.03.2026 Updated: 25.03.2026

In the Linux kernel, the following vulnerability has been resolved:

can: usb: f81604: handle short interrupt urb messages properly

If an interrupt urb is received that is not the correct length, properly detect it and don't attempt to treat the data as valid.

Vendor	Linux
Product	Linux
Versions	Default: unaffected affected from 88da17436973e463bed59bea79771fb03a21555e to 9b740ff5bc649575a5e14ca8ee54e3dd5010aaf0 (excl.) affected from 88da17436973e463bed59bea79771fb03a21555e to c5d69da6c919648838734097861e979677eedcde (excl.) affected from 88da17436973e463bed59bea79771fb03a21555e to 36ead57443146e6b730ce1f48ca3e9b17e19a3d2 (excl.) affected from 88da17436973e463bed59bea79771fb03a21555e to 66615e6293388f75a56226d1216fd9cfb3d95e05 (excl.) affected from 88da17436973e463bed59bea79771fb03a21555e to 7299b1b39a255f6092ce4ec0b65f66e9d6a357af (excl.)

Vendor	Linux
Product	Linux
Versions	Default: affected Version 6.5 is affected unaffected from 0 to 6.5 (excl.) unaffected from 6.6.130 to 6.6.* (incl.) unaffected from 6.12.77 to 6.12.* (incl.) unaffected from 6.18.17 to 6.18.* (incl.) unaffected from 6.19.7 to 6.19.* (incl.) unaffected from 7.0-rc3 to * (incl.)