CVE-2024-26602

Name	CVE-2024-26602
Description	In the Linux kernel, the following vulnerability has been resolved: sched/membarrier: reduce the ability to hammer on sys_membarrier On some systems, sys_membarrier can be very expensive, causing overall slowdowns for everything. So put a lock on the path in order to serialize the accesses to prevent the ability for this to be called at too high of a frequency and saturate the machine.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-3840-1, DLA-3842-1, DSA-5681-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	bullseye	5.10.223-1	fixed
	bullseye (security)	5.10.226-1	fixed
	bookworm	6.1.115-1	fixed
	bookworm (security)	6.1.112-1	fixed
	trixie	6.11.7-1	fixed
	sid	6.11.9-1	fixed

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

Package	Type	Release	Fixed Version	Origin
linux	source	buster	4.19.316-1	DLA-3840-1
linux	source	bullseye	5.10.216-1	DSA-5681-1
linux	source	bookworm	6.1.82-1
linux	source	(unstable)	6.7.7-1
linux-5.10	source	buster	5.10.216-1~deb10u1	DLA-3842-1

https://git.kernel.org/linus/944d5fe50f3f03daacfea16300e656a1691c4a23 (6.8-rc6)
https://www.vusec.net/projects/ghostrace/