CVE-2017-5578

NameCVE-2017-5578
DescriptionMemory leak in the virtio_gpu_resource_attach_backing function in hw/display/virtio-gpu.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_ATTACH_BACKING commands.
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)

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+deb9u2vulnerable
stretch (security)1:2.8+dfsg-6+deb9u3vulnerable
buster, sid1:2.10.0+dfsg-2vulnerable
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)(unfixed)unimportant
qemusourcejessie(not affected)
qemusourcewheezy(not affected)
qemu-kvmsource(unstable)(not affected)

Notes

[jessie] - qemu <not-affected> (Vulnerable code introduced later)
[wheezy] - qemu <not-affected> (Vulnerable code introduced later)
- qemu-kvm <not-affected> (Vulnerable code introduced later)
Fixed by: http://git.qemu.org/?p=qemu.git;a=commit;h=204f01b30975923c64006f8067f0937b91eea68b (v2.9.0-rc0)
Introduced after: http://git.qemu.org/?p=qemu.git;a=commit;h=62232bf48456bda4058ceae05851bc58c1032338 (v2.4.0)
https://bugzilla.redhat.com/show_bug.cgi?id=1415795
Marked as unimportant, since 1:2.8+dfsg-2 upload reverts
enable virtio gpu (virglrenderer) and opengl support

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