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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh (attack range: remote)
Debian Bugs769451

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)jessie1:2.1+dfsg-12+deb8u6fixed
jessie (security)1:2.1+dfsg-12+deb8u8fixed
stretch1:2.8+dfsg-6+deb9u4fixed
stretch (security)1:2.8+dfsg-6+deb9u5fixed
buster, sid1:2.12+dfsg-3fixed

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

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