|Description||Memory leak in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local privileged guest OS users to cause a denial of service (host memory consumption and possibly QEMU process crash) by leveraging a missing cleanup operation in FileOperations.|
|Source||CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)|
|NVD severity||medium (attack range: local)|
Vulnerable and fixed packages
The table below lists information on source packages.
|qemu (PTS)||jessie (security), jessie||1:2.1+dfsg-12+deb8u6||vulnerable|
|stretch (security), stretch||1:2.8+dfsg-6+deb9u4||fixed|
The information below is based on the following data on fixed versions.
|Package||Type||Release||Fixed Version||Urgency||Origin||Debian Bugs|
[jessie] - qemu <no-dsa> (Minor issue)
[wheezy] - qemu <no-dsa> (proxy and handle drivers not included during compilation)
[wheezy] - qemu-kvm <no-dsa> (proxy and handle drivers not included during compilation)
Fixed by: http://git.qemu.org/?p=qemu.git;a=commit;h=702dbcc274e2ca43be20ba64c758c0ca57dab91d (v2.8.0-rc2)
proxy and handle drivers not included during compilation in wheezy, so the cleanup function is never implemented:
see debian-lts ML: https://lists.debian.org/debian-lts/2016/12/msg00136.html