Medium 5.5Published Mar 25, 2026

CVE-2026-23334can: usb: f81604: handle short interrupt urb messages properly

Updated under an hour ago (Oct 26, 2026, 11:30 PM ET)

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Exploited in the last 30 days

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.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	88da17436973e463bed59bea79771fb03a21555e builds before 9b740ff5bc649575a5e14ca8ee54e3dd5010aaf0; from 88da17436973e463bed59bea79771fb03a21555e before c5d69da6c919648838734097861e979677eedcde; 88da17436973e463bed59bea79771fb03a21555e builds before 36ead57443146e6b730ce1f48ca3e9b17e19a3d2; from 88da17436973e463bed59bea79771fb03a21555e before 66615e6293388f75a56226d1216fd9cfb3d95e05; from 88da17436973e463bed59bea79771fb03a21555e before 7299b1b39a255f6092ce4ec0b65f66e9d6a357af	CNA record
linux linux_kernel linux:linux_kernel	from 6.5.1 before 6.6.130; from 6.7 before 6.12.77; from 6.13 before 6.18.17; from 6.19 before 6.19.7; 6.5; 7.0; 7.0; 7.0; and 4 more ranges	NVD

References

References

https://git.kernel.org/stable/c/9b740ff5bc649575a5e14ca8ee54e3dd5010aaf0	patch
https://git.kernel.org/stable/c/c5d69da6c919648838734097861e979677eedcde	patch
https://git.kernel.org/stable/c/36ead57443146e6b730ce1f48ca3e9b17e19a3d2	patch
https://git.kernel.org/stable/c/66615e6293388f75a56226d1216fd9cfb3d95e05	patch
https://git.kernel.org/stable/c/7299b1b39a255f6092ce4ec0b65f66e9d6a357af	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.