CVE-2016-9603

NameCVE-2016-9603
DescriptionA heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support before 2.9; the issue could occur when a VNC client attempted to update its display after a VGA operation is performed by a guest. A privileged user/process inside a guest could use this flaw to crash the QEMU process or, potentially, execute arbitrary code on the host with privileges of the QEMU process.
SourceCVE (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)
ReferencesDLA-1035-1, DLA-1270-1, DLA-1497-1, DLA-939-1
Debian Bugs857744

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)buster1:3.1+dfsg-8+deb10u8fixed
buster (security)1:3.1+dfsg-8+deb10u10fixed
bullseye (security), bullseye1:5.2+dfsg-11+deb11u2fixed
bookworm1:7.2+dfsg-4fixed
sid1:7.2+dfsg-5fixed
xen (PTS)buster, buster (security)4.11.4+107-gef32c7afa2-1fixed
bullseye (security), bullseye4.14.5+86-g1c354767d5-1fixed
bookworm, sid4.17.0+46-gaaf74a532c-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusourcewheezy1.1.2+dfsg-6+deb7u22DLA-1035-1
qemusourcejessie1:2.1+dfsg-12+deb8u7DLA-1497-1
qemusource(unstable)1:2.8+dfsg-4857744
qemu-kvmsourcewheezy1.1.2+dfsg-6+deb7u21DLA-939-1
qemu-kvmsource(unstable)(unfixed)
xensourcewheezy4.1.6.lts1-12DLA-1270-1
xensource(unstable)4.4.0-1

Notes

Xen switched to qemu-system in 4.4.0-1
https://xenbits.xen.org/xsa/advisory-211.html
https://www.openwall.com/lists/oss-security/2017/03/14/2
Upstream patch http://git.qemu-project.org/?p=qemu.git;a=commit;h=50628d3479e4f9aa97e323506856e394fe7ad7a6

Search for package or bug name: Reporting problems