CVE-2017-13711

NameCVE-2017-13711
DescriptionUse-after-free vulnerability in the sofree function in slirp/socket.c in QEMU (aka Quick Emulator) allows attackers to cause a denial of service (QEMU instance crash) by leveraging failure to properly clear ifq_so from pending packets.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-3991-1
NVD severitymedium (attack range: remote)
Debian Bugs873875

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+deb7u24fixed
jessie (security), jessie1:2.1+dfsg-12+deb8u6fixed
stretch (security), stretch1:2.8+dfsg-6+deb9u3fixed
buster, sid1:2.10.0+dfsg-2fixed
qemu-kvm (PTS)wheezy1.1.2+dfsg-6+deb7u12fixed
wheezy (security)1.1.2+dfsg-6+deb7u24fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusource(unstable)1:2.10.0-1medium873875
qemusourcejessie(not affected)
qemusourcestretch1:2.8+dfsg-6+deb9u3mediumDSA-3991-1
qemusourcewheezy(not affected)
qemu-kvmsource(unstable)(unfixed)medium
qemu-kvmsourcewheezy(not affected)

Notes

[jessie] - qemu <not-affected> (Vulnerable code introduced later)
[wheezy] - qemu <not-affected> (Vulnerable code introduced later)
[wheezy] - qemu-kvm <not-affected> (Vulnerable code introduced later)
https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg05201.html
https://bugzilla.redhat.com/show_bug.cgi?id=1486400

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