CVE-2016-9379

Name	CVE-2016-9379
Description	The pygrub boot loader emulator in Xen, when S-expression output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via string quotes and S-expressions in the bootloader configuration file.
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-720-1, DSA-3729-1
Debian Bugs	845670

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	4.17.3+10-g091466ba55-1~deb12u1	fixed
	bookworm (security)	4.17.5+23-ga4e5191dc0-1	fixed
	trixie	4.17.3+36-g54dacb5c02-1	fixed
	sid	4.19.1-1	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
xen	source	wheezy	4.1.6.lts1-4	DLA-720-1
xen	source	jessie	4.4.1-9+deb8u8	DSA-3729-1
xen	source	(unstable)	4.8.0-1		845670

https://xenbits.xen.org/xsa/advisory-198.html