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nested VMX: VMLANUCH/VMRESUME emulation must check permission first thing
authorJan Beulich <jbeulich@suse.com>
Mon, 11 Nov 2013 08:18:59 +0000 (09:18 +0100)
committerJan Beulich <jbeulich@suse.com>
Mon, 11 Nov 2013 08:18:59 +0000 (09:18 +0100)
commitb10c183d5cb230e7fd018d2a2aa286b92f6c5b91
treead8b3143a7d4ac596fc3967ca2f51f9f6b473947tree
parent169c7b438ceda2870d9e2edb3cc5a4d80f336f64commit | diff
nested VMX: VMLANUCH/VMRESUME emulation must check permission first thing

Otherwise uninitialized data may be used, leading to crashes.

This is CVE-2013-4551 / XSA-75.

Reported-and-tested-by: Jeff Zimmerman <Jeff_Zimmerman@McAfee.com>
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-and-tested-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
master commit: 4e87bc5b03e05123ba5c888f77969140c8ebd1bf
master date: 2013-11-11 09:15:04 +0100
xen/arch/x86/hvm/vmx/vvmx.c diff | blob | blame | history
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