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 bugzilla/CVE, 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)jessie1:2.1+dfsg-12+deb8u6vulnerable
jessie (security)1:2.1+dfsg-12+deb8u7vulnerable
stretch (security), stretch1:2.8+dfsg-6+deb9u4fixed
buster, sid1:2.12+dfsg-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[jessie] - qemu <no-dsa> (Minor issue)
Fixed by:;a=commit;h=926cde5f3e4d2504ed161ed0cb771ac7cad6fd11 (v2.7.0-rc0)
Fixed by:;a=commit;h=cc96677469388bad3d66479379735cf75db069e3 (v2.7.0-rc0)
According to maintainer the fix relies on the fix for CVE-2016-4439

Search for package or bug name: Reporting problems