CVE-2016-4439

Name	CVE-2016-4439
Description	The esp_reg_write function in hw/scsi/esp.c in the 53C9X Fast SCSI Controller (FSC) support in QEMU does not properly check command buffer length, which allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) or potentially execute arbitrary code on the QEMU host via unspecified vectors.
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-1599-1, DLA-573-1, DLA-574-1
Debian Bugs	824856

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
qemu (PTS)	bullseye	1:5.2+dfsg-11+deb11u3	fixed
	bullseye (security)	1:5.2+dfsg-11+deb11u2	fixed
	bookworm	1:7.2+dfsg-7+deb12u12	fixed
	sid, trixie	1:9.2.1+ds-1	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+deb7u14	DLA-573-1
qemu	source	jessie	1:2.1+dfsg-12+deb8u8	DLA-1599-1
qemu	source	(unstable)	1:2.6+dfsg-2		824856
qemu-kvm	source	wheezy	1.1.2+dfsg-6+deb7u14	DLA-574-1
qemu-kvm	source	(unstable)	(unfixed)

https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg03273.html
https://bugzilla.redhat.com/show_bug.cgi?id=1337502