CVE-2014-7840

NameCVE-2014-7840
DescriptionThe host_from_stream_offset function in arch_init.c in QEMU, when loading RAM during migration, allows remote attackers to execute arbitrary code via a crafted (1) offset or (2) length value in savevm data.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs769451

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)jessie, jessie (lts)1:2.1+dfsg-12+deb8u23fixed
stretch (security)1:2.8+dfsg-6+deb9u17fixed
stretch (lts), stretch1:2.8+dfsg-6+deb9u19fixed
buster (security), buster, buster (lts)1:3.1+dfsg-8+deb10u12fixed
bullseye1:5.2+dfsg-11+deb11u3fixed
bullseye (security)1:5.2+dfsg-11+deb11u2fixed
bookworm1:7.2+dfsg-7+deb12u6fixed
trixie1:8.2.4+ds-1fixed
sid1:9.0.2+ds-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusource(unstable)2.1+dfsg-8low769451
qemu-kvmsource(unstable)(unfixed)low

Notes

[wheezy] - qemu <no-dsa> (Minor issue, hardly exploitable in practice)
[squeeze] - qemu <no-dsa> (Minor issue, hardly exploitable in practice)
[wheezy] - qemu-kvm <no-dsa> (Minor issue, hardly exploitable in practice)
[squeeze] - qemu-kvm <no-dsa> (Minor issue, hardly exploitable in practice)
http://thread.gmane.org/gmane.comp.emulators.qemu/306117

Search for package or bug name: Reporting problems