CVE-2016-9104

Name	CVE-2016-9104
Description	Multiple integer overflows in the (1) v9fs_xattr_read and (2) v9fs_xattr_write functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS administrators to cause a denial of service (QEMU process crash) via a crafted offset, which triggers an out-of-bounds access.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DLA-1599-1, DLA-689-1, DLA-698-1
Debian Bugs	842463

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
qemu (PTS)	buster	1:3.1+dfsg-8+deb10u8	fixed
	buster (security)	1:3.1+dfsg-8+deb10u9	fixed
	bullseye (security), bullseye	1:5.2+dfsg-11+deb11u2	fixed
	bookworm, sid	1:7.1+dfsg-2	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
qemu	source	wheezy	1.1.2+dfsg-6+deb7u18	DLA-698-1
qemu	source	jessie	1:2.1+dfsg-12+deb8u8	DLA-1599-1
qemu	source	(unstable)	1:2.8+dfsg-1		842463
qemu-kvm	source	wheezy	1.1.2+dfsg-6+deb7u18	DLA-689-1
qemu-kvm	source	(unstable)	(unfixed)

https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg02942.html
https://www.openwall.com/lists/oss-security/2016/10/28/2