PRIOn knowledge basePRION:CVE-2014-7842Race condition
Race 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.
References
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a2b9e6c1a35afcc0973acb72e591c714e78885ff
lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html
lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
rhn.redhat.com/errata/RHSA-2016-0855.html
secunia.com/advisories/62305
secunia.com/advisories/62326
secunia.com/advisories/62336
www.openwall.com/lists/oss-security/2014/11/13/7
www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
www.securityfocus.com/bid/71078
bugzilla.redhat.com/show_bug.cgi?id=1163762
github.com/torvalds/linux/commit/a2b9e6c1a35afcc0973acb72e591c714e78885ff
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.4
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