ACK: [SRU Bionic/Focal/OEM-5.10/OEM-5.14/HWE-5.11/Impish 0/1] CVE-2022-0330

[Stefan Bader]

On 26.01.22 17:58, Thadeu Lima de Souza Cascardo wrote:
> [Impact]
> A missing GPU TLB flush on i915 may allow userspace to have access to
> random memory pages.
> 
> [Backport]
> Backports for upstream stable series have been provided by author and
> adjusted for the respective Ubuntu kernels.
> 
> [Potential regression]
> i915 users would be impacted.
> 
> Tvrtko Ursulin (1):
>    drm/i915: Flush TLBs before releasing backing store
> 
>   drivers/gpu/drm/i915/i915_drv.h        |  2 +
>   drivers/gpu/drm/i915/i915_gem.c        | 84 +++++++++++++++++++++++++-
>   drivers/gpu/drm/i915/i915_gem_object.h |  1 +
>   drivers/gpu/drm/i915/i915_reg.h        |  6 ++
>   drivers/gpu/drm/i915/i915_vma.c        |  4 ++
>   5 files changed, 96 insertions(+), 1 deletion(-)
> 

Acked-by: Stefan Bader <stefan.bader at canonical.com>
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