CVE-2014-7842

NameCVE-2014-7842
DescriptionRace condition in arch/x86/kvm/x86.c in the Linux kernel before 3.17.4 allows guest OS users to cause a denial of service (guest OS crash) via a crafted application that performs an MMIO transaction or a PIO transaction to trigger a guest userspace emulation error report, a similar issue to CVE-2010-5313.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)buster4.19.249-2fixed
buster (security)4.19.304-1fixed
bullseye5.10.209-2fixed
bullseye (security)5.10.218-1fixed
bookworm6.1.76-1fixed
bookworm (security)6.1.90-1fixed
sid, trixie6.8.12-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcewheezy3.2.65-1
linuxsource(unstable)3.16.7-ckt2-1
linux-2.6source(unstable)(unfixed)

Notes

[squeeze] - linux-2.6 <no-dsa> (KVM not supported in Squeeze LTS)
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a2b9e6c1a35a (v3.18-rc1)

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