CVE-2016-4952

NameCVE-2016-4952
DescriptionQEMU (aka Quick Emulator), when built with VMWARE PVSCSI paravirtual SCSI bus emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds array access) via vectors related to the (1) PVSCSI_CMD_SETUP_RINGS or (2) PVSCSI_CMD_SETUP_MSG_RING SCSI command.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
NVD severitylow (attack range: local)
Debian Bugs825210

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+deb7u23fixed
jessie, jessie (security)1:2.1+dfsg-12+deb8u6vulnerable
stretch1:2.8+dfsg-6fixed
stretch (security)1:2.8+dfsg-6+deb9u2fixed
buster, sid1:2.8+dfsg-7fixed
qemu-kvm (PTS)wheezy1.1.2+dfsg-6+deb7u12fixed
wheezy (security)1.1.2+dfsg-6+deb7u23fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusource(unstable)1:2.6+dfsg-2low825210
qemusourcewheezy(not affected)
qemu-kvmsource(unstable)(not affected)

Notes

[jessie] - qemu <no-dsa> (Minor issue)
[wheezy] - qemu <not-affected> (VMWare PVSCSI paravirtual device implementation introduced later)
- qemu-kvm <not-affected> (VMWare PVSCSI paravirtual device implementation introduced later)
https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg03774.html
Introduced in: http://git.qemu.org/?p=qemu.git;a=commit;h=881d588a98bf0dce98ddb65c15aa0854c0ac41ed (v1.5.0-rc0)

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