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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-3991-1
Debian Bugs873875

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+deb12u7fixed
sid, trixie1:9.2.0+ds-2fixed

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

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

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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