x86/HVM: add missing NULL check before using VMFUNC hook
authorJan Beulich <jbeulich@suse.com>
Wed, 21 Dec 2016 16:41:20 +0000 (17:41 +0100)
committerJan Beulich <jbeulich@suse.com>
Wed, 21 Dec 2016 16:41:20 +0000 (17:41 +0100)
commit24ccfc33272be300b306873b75352c0de3deca94
tree861cc537d7135621786ee674d663e882ba6bbcf6
parent7628c7efb4afca8cb2264bc3ab59830e481b37a8
x86/HVM: add missing NULL check before using VMFUNC hook

This is CVE-2016-10025 / XSA-203.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
master commit: 74dcd0ce6f4fadce8093e54f0fc1a45426577e13
master date: 2016-12-21 16:47:19 +0100
xen/arch/x86/hvm/emulate.c