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| author | Xi Wang <xi.wang@gmail.com> | 2012-04-23 12:06:41 +0400 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-04-24 00:32:02 +0400 |
| commit | ed8cd3b2cd61004cab85380c52b1817aca1ca49b (patch) | |
| tree | ad2f39b75035d8120760ab0397e0256d1bb2f245 /drivers/gpu/drm/i915/intel_sdvo.c | |
| parent | e95c8438ea1c56c254f0607c8fb6bca7f463c744 (diff) | |
| download | linux-ed8cd3b2cd61004cab85380c52b1817aca1ca49b.tar.xz | |
drm/i915: fix integer overflow in i915_gem_execbuffer2()
On 32-bit systems, a large args->buffer_count from userspace via ioctl
may overflow the allocation size, leading to out-of-bounds access.
This vulnerability was introduced in commit 8408c282 ("drm/i915:
First try a normal large kmalloc for the temporary exec buffers").
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_sdvo.c')
0 files changed, 0 insertions, 0 deletions