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authorLadi Prosek <lprosek@redhat.com>2017-10-05 11:10:22 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-10-18 09:35:42 +0200
commit28955b03fac36829831e185e3ec2793f8eb18689 (patch)
treed3588cb05d3c35fe51586a76686713274ee0e307 /sound
parentfb6da44f965e7cba7874e70b56bce540946c8104 (diff)
KVM: nVMX: update last_nonleaf_level when initializing nested EPT
commit fd19d3b45164466a4adce7cbff448ba9189e1427 upstream. The function updates context->root_level but didn't call update_last_nonleaf_level so the previous and potentially wrong value was used for page walks. For example, a zero value of last_nonleaf_level would allow a potential out-of-bounds access in arch/x86/mmu/paging_tmpl.h's walk_addr_generic function (CVE-2017-12188). Fixes: 155a97a3d7c78b46cef6f1a973c831bc5a4f82bb Signed-off-by: Ladi Prosek <lprosek@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound')
0 files changed, 0 insertions, 0 deletions