CVE-2018-15572

Name	CVE-2018-15572
Description	The spectre_v2_select_mitigation function in arch/x86/kernel/cpu/bugs.c in the Linux kernel before 4.18.1 does not always fill RSB upon a context switch, which makes it easier for attackers to conduct userspace-userspace spectreRSB attacks.
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-1529-1, DLA-1531-1, DSA-4308-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	bullseye (security), bullseye	5.10.223-1	fixed
	bookworm	6.1.106-3	fixed
	bookworm (security)	6.1.99-1	fixed
	trixie	6.10.11-1	fixed
	sid	6.10.12-1	fixed

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

Package	Type	Release	Fixed Version	Origin
linux	source	jessie	3.16.59-1	DLA-1529-1
linux	source	stretch	4.9.110-3+deb9u5	DSA-4308-1
linux	source	(unstable)	4.17.15-1
linux-4.9	source	jessie	4.9.110-3+deb9u5~deb8u1	DLA-1531-1

https://git.kernel.org/linus/fdf82a7856b32d905c39afc85e34364491e46346