Messages in this thread | | | From | Ben Hutchings <> | Date | Sat, 13 Mar 2010 20:37:57 +0000 | Subject | Re: [Stable-review] [141/145] KVM: x86 emulator: Check CPL level during privilege instruction emulation |
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On Fri, 2010-03-12 at 16:27 -0800, Greg KH wrote: > 2.6.32-stable review patch. If anyone has any objections, please let me know. > > ---------------- > From: Gleb Natapov <gleb@redhat.com> > > commit e92805ac1228626c59c865f2f4e9059b9fb8c97b upstream. > > Add CPL checking in case emulator is tricked into emulating > privilege instruction from userspace.
There were more security fixes released along with this, which surely belong in a stable update:
1871c6020d7308afb99127bba51f04548e7ca84e KVM: x86 emulator: fix memory access during x86 emulation f850e2e603bf5a05b0aee7901857cf85715aa694 KVM: x86 emulator: Check IOPL level during io instruction emulation d4c6a1549c056f1d817e8f6f2f97d8b44933472f KVM: x86 emulator: Fix popf emulation
Ben.
-- Ben Hutchings It's easier to fight for one's principles than to live up to them. [unhandled content-type:application/pgp-signature] | |