CVE-2015-7295

NameCVE-2015-7295
Descriptionhw/virtio/virtio.c in the Virtual Network Device (virtio-net) support in QEMU, when big or mergeable receive buffers are not supported, allows remote attackers to cause a denial of service (guest network consumption) via a flood of jumbo frames on the (1) tuntap or (2) macvtap interface.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-3469-1, DSA-3470-1, DSA-3471-1
NVD severitymedium (attack range: remote)
Debian Bugs799452

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)wheezy1.1.2+dfsg-6a+deb7u12fixed
wheezy (security)1.1.2+dfsg-6+deb7u23fixed
jessie (security), jessie1:2.1+dfsg-12+deb8u6fixed
stretch1:2.8+dfsg-6fixed
stretch (security)1:2.8+dfsg-6+deb9u2fixed
buster, sid1:2.8+dfsg-7fixed
qemu-kvm (PTS)wheezy1.1.2+dfsg-6+deb7u12fixed
wheezy (security)1.1.2+dfsg-6+deb7u23fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusource(unstable)1:2.4+dfsg-4medium799452
qemusourcejessie1:2.1+dfsg-12+deb8u5amediumDSA-3471-1
qemusourcesqueeze(unfixed)end-of-life
qemusourcewheezy1.1.2+dfsg-6a+deb7u12mediumDSA-3469-1
qemu-kvmsource(unstable)(unfixed)medium
qemu-kvmsourcesqueeze(unfixed)end-of-life
qemu-kvmsourcewheezy1.1.2+dfsg-6+deb7u12mediumDSA-3470-1

Notes

[jessie] - qemu <no-dsa> (Minor issue; can be fixed along in a later DSA)
[wheezy] - qemu <no-dsa> (Minor issue; can be fixed along in a later DSA)
[squeeze] - qemu <end-of-life> (Not supported in Squeeze LTS)
[wheezy] - qemu-kvm <no-dsa> (Minor issue; can be fixed along in a later DSA)
[squeeze] - qemu-kvm <end-of-life> (Not supported in Squeeze LTS)
http://www.openwall.com/lists/oss-security/2015/09/18/5
https://lists.gnu.org/archive/html/qemu-devel/2015-09/msg04729.html
https://lists.gnu.org/archive/html/qemu-devel/2015-09/msg04730.html
https://lists.gnu.org/archive/html/qemu-devel/2015-09/msg04731.html

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