CVE-2026-74460

Name	CVE-2026-74460
Description	In the Linux kernel, the following vulnerability has been resolved: can: ems_usb: validate CPC message lengths ems_usb_read_bulk_callback() walks CPC messages packed in one USB receive buffer. Check that each declared message fits in the URB payload. Also require the type-specific payload to cover the fields used by the CAN, state, error and overrun handlers.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-4777-1, DLA-4788-1, DSA-6466-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	bookworm	6.1.176-1	vulnerable
	bookworm (security)	6.1.187-1	fixed
	trixie (security), trixie	6.12.107-1	fixed
	forky	7.2.6-1	fixed
	sid	7.2.8-1	fixed
linux-6.12 (PTS)	bookworm (security)	6.12.107-1~deb12u1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin
linux	source	bookworm	6.1.187-1	DLA-4777-1
linux	source	trixie	6.12.105-1	DSA-6466-1
linux	source	(unstable)	7.1.8-1
linux-6.12	source	bookworm	6.12.107-1~deb12u1	DLA-4788-1

https://git.kernel.org/linus/02925f51377f2a42a6724f00549167499c9302e5 (7.2-rc6)