CVE-2026-23090

Name	CVE-2026-23090
Description	In the Linux kernel, the following vulnerability has been resolved: slimbus: core: fix device reference leak on report present Slimbus devices can be allocated dynamically upon reception of report-present messages. Make sure to drop the reference taken when looking up already registered devices. Note that this requires taking an extra reference in case the device has not yet been registered and has to be allocated.
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-4475-1, DLA-4476-1, DSA-6126-1, DSA-6127-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	bullseye	5.10.223-1	vulnerable
	bullseye (security)	5.10.249-1	fixed
	bookworm	6.1.159-1	vulnerable
	bookworm (security)	6.1.162-1	fixed
	trixie	6.12.63-1	vulnerable
	trixie (security)	6.12.73-1	fixed
	forky, sid	6.18.12-1	fixed
linux-6.1 (PTS)	bullseye (security)	6.1.162-1~deb11u1	fixed

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

Package	Type	Release	Fixed Version	Origin
linux	source	bullseye	5.10.249-1	DLA-4475-1
linux	source	bookworm	6.1.162-1	DSA-6127-1
linux	source	trixie	6.12.69-1	DSA-6126-1
linux	source	(unstable)	6.18.8-1
linux-6.1	source	bullseye	6.1.162-1~deb11u1	DLA-4476-1

https://git.kernel.org/linus/9391380eb91ea5ac792aae9273535c8da5b9aa01 (6.19-rc7)