Messages in this thread | | | Date | Tue, 10 Jan 2023 02:28:45 +0300 | Subject | Re: [PATCH] drm/virtio: Fix GEM handle creation UAF | From | Dmitry Osipenko <> |
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On 12/17/22 02:33, Rob Clark wrote: > From: Rob Clark <robdclark@chromium.org> > > Userspace can guess the handle value and try to race GEM object creation > with handle close, resulting in a use-after-free if we dereference the > object after dropping the handle's reference. For that reason, dropping > the handle's reference must be done *after* we are done dereferencing > the object. > > Signed-off-by: Rob Clark <robdclark@chromium.org> > --- > drivers/gpu/drm/virtio/virtgpu_ioctl.c | 19 +++++++++++++++++-- > 1 file changed, 17 insertions(+), 2 deletions(-)
Added fixes/stable tags and applied this virtio-gpu patch to misc-fixes. The Panfrost patch is untouched.
-- Best regards, Dmitry
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