Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: can: peak_usb: validate uCAN receive record lengths pcan_usb_fd_decode_buf() walks uCAN records packed in one USB receive buffer. Require each record to contain the fixed header for its type, and verify CAN payload bytes before copying them into the skb.
References
- https://git.kernel.org/stable/c/2427ef427bdd78d862c7c76597bfd9eda88b81f1
- https://git.kernel.org/stable/c/276d989cd2dd88e2b7ab2c96fd10c86836b12781
- https://git.kernel.org/stable/c/2c8f08f3641a074da40acf05baa5a18ae2739260
- https://git.kernel.org/stable/c/6067c878e38d02a3d5c43497347e143f85c9064a
- https://git.kernel.org/stable/c/89c92a8052698dbbd3652a77c04d02bbd74a3275
- https://git.kernel.org/stable/c/93fcab2c6968446316bbb49548848df604d6346f
- https://git.kernel.org/stable/c/bf9d787b7e1ef59be19b35abca08194772deb97e
- https://git.kernel.org/stable/c/d9c115948c3dd5fcc2d0245cec5eb76c098503c8
FAQ
What is CVE-2026-74455?
CVE-2026-74455 is a documented vulnerability. In the Linux kernel, the following vulnerability has been resolved: can: peak_usb: validate uCAN receive record lengths pcan_usb_fd_decode_buf() walks uCAN records packed in one USB receive buffer. ...
How severe is CVE-2026-74455?
CVSS scoring is not yet available for CVE-2026-74455. Check NVD for updates.
Is there a patch for CVE-2026-74455?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.