On Tue, Oct 25, 2016 at 12:48 AM, Valentin B <[log in to unmask]> wrote: > Hi Akemi, > > The fix allows me to run the cow vulnerability but it blocks which is good. > > See the following: > > DirtyCow root privilege escalation > Backing up /usr/bin/passwd to /tmp/bak > Size of binary: 27832 > Racing, this may take a while.. > thread stopped > thread stopped (snip) > So my question is, what has been exactly patched to the recently upstream > kernel. Thanks for the detailed note. Because the source code is available, I did a diff between kernels 3.10.0-327.36.2.el7 and 3.10.0-327.36.3.el7 and am attaching it for anyone to see. Akemi