CVE-2014-3690

NameCVE-2014-3690
Descriptionarch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 3.17.2 on Intel processors does not ensure that the value in the CR4 control register remains the same after a VM entry, which allows host OS users to kill arbitrary processes or cause a denial of service (system disruption) by leveraging /dev/kvm access, as demonstrated by PR_SET_TSC prctl calls within a modified copy of QEMU.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-3060-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)bullseye5.10.223-1fixed
bullseye (security)5.10.226-1fixed
bookworm6.1.115-1fixed
bookworm (security)6.1.119-1fixed
trixie6.12.5-1fixed
sid6.12.6-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcewheezy3.2.63-2+deb7u1DSA-3060-1
linuxsource(unstable)3.16.7-1
linux-2.6source(unstable)(unfixed)

Notes

[squeeze] - linux-2.6 <no-dsa> (KVM not supported in Squeeze LTS)
Upstream fix: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d974baa398f34393db76be45f7d4d04fbdbb4a0a (v3.18-rc1)

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