CVE-2016-9907

NameCVE-2016-9907
DescriptionQuick Emulator (Qemu) built with the USB redirector usb-guest support is vulnerable to a memory leakage flaw. It could occur while destroying the USB redirector in 'usbredir_handle_destroy'. A guest user/process could use this issue to leak host memory, resulting in DoS for a host.
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 Bugs847953

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)jessie, jessie (lts)1:2.1+dfsg-12+deb8u23fixed
stretch (security)1:2.8+dfsg-6+deb9u17fixed
stretch (lts), stretch1:2.8+dfsg-6+deb9u19fixed
buster (security), buster, buster (lts)1:3.1+dfsg-8+deb10u12fixed
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
qemusourcewheezy(not affected)
qemusourcejessie1:2.1+dfsg-12+deb8u7DLA-1497-1
qemusource(unstable)1:2.8+dfsg-1847953
qemu-kvmsourcewheezy(not affected)
qemu-kvmsource(unstable)(unfixed)

Notes

[wheezy] - qemu <not-affected> (Vulnerable code not present)
[wheezy] - qemu-kvm <not-affected> (Vulnerable code not present)
https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg01379.html
http://git.qemu.org/?p=qemu.git;a=commit;h=07b026fd82d6cf11baf7d7c603c4f5f6070b35bf
https://www.openwall.com/lists/oss-security/2016/12/06/3
Leakage introduced after 1.2.50: http://git.qemu.org/?p=qemu.git;a=commit;h=fc3f6e1b106abcf6b8cf487ac8f8e5fc2fd86776

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