CVE-2017-2584

NameCVE-2017-2584
Descriptionarch/x86/kvm/emulate.c in the Linux kernel through 4.9.3 allows local users to obtain sensitive information from kernel memory or cause a denial of service (use-after-free) via a crafted application that leverages instruction emulation for fxrstor, fxsave, sgdt, and sidt.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-3791-1
NVD severitylow (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)wheezy3.2.78-1fixed
wheezy (security)3.2.93-1fixed
jessie3.16.43-2+deb8u2fixed
jessie (security)3.16.43-2+deb8u5fixed
stretch4.9.51-1fixed
stretch (security)4.9.30-2+deb9u5fixed
buster, sid4.13.4-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.9.6-1low
linuxsourcejessie3.16.39-1+deb8u1lowDSA-3791-1
linuxsourcewheezy(not affected)

Notes

[wheezy] - linux <not-affected> (Vulnerable code introduced in 3.6-rc1)
Upstream patch: https://www.spinics.net/lists/kvm/msg143571.html
Fixed by: https://git.kernel.org/linus/129a72a0d3c8e139a04512325384fe5ac119e74d

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