CVE-2016-2858

NameCVE-2016-2858
DescriptionQEMU, when built with the Pseudo Random Number Generator (PRNG) back-end support, allows local guest OS users to cause a denial of service (process crash) via an entropy request, which triggers arbitrary stack based allocation and memory corruption.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1599-1
Debian Bugs817183

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
trixie1:9.1.1+ds-2fixed
sid1:9.1.1+ds-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusourcesqueeze(not affected)
qemusourcewheezy(not affected)
qemusourcejessie1:2.1+dfsg-12+deb8u8DLA-1599-1
qemusource(unstable)1:2.6+dfsg-1817183
qemu-kvmsource(unstable)(not affected)

Notes

[wheezy] - qemu <not-affected> (Vulnerable code not present)
[squeeze] - qemu <not-affected> (Vulnerable code not present)
- qemu-kvm <not-affected> (Vulnerable code not present)
Upstream patch: http://git.qemu.org/?p=qemu.git;a=commit;h=60253ed1e6ec6d8e5ef2efe7bf755f475dce9956 (v2.6.0-rc0)
Introduced in: http://git.qemu.org/?p=qemu.git;a=commit;h=a9b7b2ad7b075dba5495271706670e5c6b1304bc (v1.3.0-rc0)
https://bugzilla.redhat.com/show_bug.cgi?id=1314676
https://www.openwall.com/lists/oss-security/2016/03/04/1

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