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 bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-3991-1
NVD severitymedium
Debian Bugs873875

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+deb8u12fixed
stretch (security), stretch1:2.8+dfsg-6+deb9u8fixed
buster1:3.1+dfsg-8+deb10u2fixed
buster (security)1:3.1+dfsg-8+deb10u3fixed
bullseye1:4.1-1fixed
sid1:4.1-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusource(unstable)1:2.10.0-1873875
qemusourcejessie(not affected)
qemusourcestretch1:2.8+dfsg-6+deb9u3DSA-3991-1
qemusourcewheezy(not affected)
qemu-kvmsource(unstable)(unfixed)
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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