On Wed, Jun 12, 2019 at 10:41 PM Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > On Wed, Jun 12, 2019 at 01:29:27PM -0700, Todd Kjos wrote: > > There is a race between the binder driver cleaning > > up a completed transaction via binder_free_transaction() > > and a user calling binder_ioctl(BC_FREE_BUFFER) to > > release a buffer. It doesn't matter which is first but > > they need to be protected against running concurrently > > which can result in a UAF. > > > > Signed-off-by: Todd Kjos <tkjos@xxxxxxxxxx> > > --- > > drivers/android/binder.c | 16 ++++++++++++++-- > > 1 file changed, 14 insertions(+), 2 deletions(-) > > Does this also need to go to the stable kernels? This patch won't apply cleanly to stable kernels so I'll submit a new patch directly to stable@ (4.14, 4.19) once this one lands. > > thanks, > > greg k-h _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
