CVE-2015-4106

NameCVE-2015-4106
DescriptionQEMU does not properly restrict write access to the PCI config space for certain PCI pass-through devices, which might allow local x86 HVM guests to gain privileges, cause a denial of service (host crash), obtain sensitive information, or possibly have other unspecified impact via unknown vectors.
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)
ReferencesDSA-3284-1, DSA-3286-1
NVD severitymedium
Debian Bugs787547

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)stretch1:2.8+dfsg-6+deb9u9fixed
stretch (security)1:2.8+dfsg-6+deb9u16fixed
buster, buster (security)1:3.1+dfsg-8+deb10u8fixed
bullseye1:5.2+dfsg-11fixed
bookworm, sid1:6.1+dfsg-5fixed
xen (PTS)stretch (security), stretch4.8.5.final+shim4.10.4-1+deb9u12fixed
buster4.11.4+99-g8bce4698f6-1fixed
buster (security)4.11.4+107-gef32c7afa2-1fixed
bullseye4.14.2+25-gb6a8c4f72d-2fixed
bullseye (security)4.14.3-1~deb11u1fixed
bookworm, sid4.14.3-1fixed

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+deb8u1DSA-3284-1
qemusource(unstable)1:2.3+dfsg-5787547
qemu-kvmsource(unstable)(not affected)
xensourcesqueeze(unfixed)end-of-life
xensourcewheezy4.1.4-3+deb7u8DSA-3286-1
xensourcejessie4.4.1-9+deb8u1DSA-3286-1
xensource(unstable)4.4.0-1

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)
[squeeze] - xen <end-of-life> (Not supported in Squeeze LTS)
Xen switched to qemu-system in 4.4.0-1
http://xenbits.xen.org/xsa/advisory-131.html

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