CVE-2013-4361

Name	CVE-2013-4361
Description	The fbld instruction emulation in Xen 3.3.x through 4.3.x does not use the correct variable for the source effective address, which allows local HVM guests to obtain hypervisor stack information by reading the values used by the instruction.
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	DSA-3006-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
xen (PTS)	bullseye	4.14.6-1	fixed
	bullseye (security)	4.14.5+94-ge49571868d-1	fixed
	bookworm	4.17.5+23-ga4e5191dc0-1+deb12u1	fixed
	bookworm (security)	4.17.5+23-ga4e5191dc0-1	fixed
	forky, sid, trixie	4.20.0+68-g35cb38b222-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin
xen	source	squeeze	(unfixed)	end-of-life
xen	source	wheezy	4.1.4-3+deb7u2		DSA-3006-1
xen	source	(unstable)	4.4.0-1

[squeeze] - xen <end-of-life> (Unsupported in squeeze-lts)