CVE-2017-5857

NameCVE-2017-5857
DescriptionMemory leak in the virgl_cmd_resource_unref function in hw/display/virtio-gpu-3d.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (host memory consumption) via a large number of VIRTIO_GPU_CMD_RESOURCE_UNREF commands sent without detaching the backing storage beforehand.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: local)
Debian Bugs853996

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
stretch1:2.8+dfsg-6+deb9u2fixed
stretch (security)1:2.8+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)1:2.8+dfsg-3unimportant853996
qemusourcejessie(not affected)
qemusourcewheezy(not affected)
qemu-kvmsource(unstable)(not affected)

Notes

[jessie] - qemu <not-affected> (Vulnerable code not present)
[wheezy] - qemu <not-affected> (Vulnerable code not present)
- qemu-kvm <not-affected> (Vulnerable code not present)
https://lists.nongnu.org/archive/html/qemu-devel/2017-01/msg04615.html
https://bugzilla.redhat.com/show_bug.cgi?id=1418382
http://www.openwall.com/lists/oss-security/2017/02/01/21

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