CVE-2016-9914

NameCVE-2016-9914
DescriptionMemory 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1497-1
Debian Bugs847496

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)bullseye1:5.2+dfsg-11+deb11u3fixed
bullseye (security)1:5.2+dfsg-11+deb11u2fixed
bookworm1:7.2+dfsg-7+deb12u7fixed
sid, trixie1:9.2.0+ds-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusourcejessie1:2.1+dfsg-12+deb8u7DLA-1497-1
qemusource(unstable)1:2.8+dfsg-1847496
qemu-kvmsource(unstable)(unfixed)

Notes

[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)
https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg03278.html
Fixed by: http://git.qemu.org/?p=qemu.git;a=commit;h=702dbcc274e2ca43be20ba64c758c0ca57dab91d (v2.8.0-rc2)
https://www.openwall.com/lists/oss-security/2016/12/06/11
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

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