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Bug 1445828 - (CVE-2017-8106) CVE-2017-8106 kernel: Null pointer dereference on host in INVEPT emulation
CVE-2017-8106 kernel: Null pointer dereference on host in INVEPT emulation
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20170331,repor...
: Security
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Reported: 2017-04-26 11:23 EDT by Adam Mariš
Modified: 2017-04-26 11:26 EDT (History)
32 users (show)

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Last Closed: 2017-04-26 11:26:49 EDT
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Description Adam Mariš 2017-04-26 11:23:53 EDT 
The handle_invept function in arch/x86/kvm/vmx.c in the Linux kernel 3.12 through 3.15 allows privileged KVM guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) via a single-context INVEPT instruction with a NULL EPT pointer.

Bug reports:

https://bugzilla.kernel.org/show_bug.cgi?id=195167
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1678676
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