can supply compromised VBIOS, which can
cause undefined behavior of the kernel and introduce potential security
issues.
This patch rewrites the header in 'adev->bios' using the header acquired in
the first copy.
Signed-off-by: Wenwen Wang
---
drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c | 2 ++
introduce potential security risk, if the device can be controlled by
attackers.
This patch rewrites the first two bytes of 'rdev->bios' after
memcpy_fromio() with expected values. Through this way, the above issue can
be avoided.
Signed-off-by: Wenwen Wang
---
drivers/gpu/drm/radeon/radeo
after memcpy_fromio() with expected values.
Signed-off-by: Wenwen Wang
---
drivers/gpu/drm/radeon/radeon_bios.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon_bios.c
b/drivers/gpu/drm/radeon/radeon_bios.c
index 04c0ed4..d8304fa 100644
--- a/drivers/gpu/drm/