CVE-2016-6351

NameCVE-2016-6351
DescriptionThe esp_do_dma function in hw/scsi/esp.c in QEMU (aka Quick Emulator), when built with ESP/NCR53C9x controller emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) or execute arbitrary code on the QEMU host via vectors involving DMA read into ESP command buffer.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-573-1, DLA-574-1
NVD severityhigh (attack range: local)
Debian Bugs832621

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)wheezy1.1.2+dfsg-6a+deb7u12vulnerable
wheezy (security)1.1.2+dfsg-6+deb7u24fixed
jessie (security), jessie1:2.1+dfsg-12+deb8u6vulnerable
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+deb7u12vulnerable
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)1:2.6+dfsg-3.1high832621
qemusourcewheezy1.1.2+dfsg-6+deb7u14highDLA-573-1
qemu-kvmsource(unstable)(unfixed)high
qemu-kvmsourcewheezy1.1.2+dfsg-6+deb7u14highDLA-574-1

Notes

[jessie] - qemu <no-dsa> (Minor issue)
Fixed by: http://git.qemu.org/?p=qemu.git;a=commit;h=926cde5f3e4d2504ed161ed0cb771ac7cad6fd11 (v2.7.0-rc0)
Fixed by: http://git.qemu.org/?p=qemu.git;a=commit;h=cc96677469388bad3d66479379735cf75db069e3 (v2.7.0-rc0)
http://www.openwall.com/lists/oss-security/2016/07/25/14
According to maintainer the fix relies on the fix for CVE-2016-4439

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