In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix potential null pointer derefernce The amdgpu_ras_get_context may return NULL if device not support ras feature, so add check before using.Referenceshttps://git.kernel.org/stable/c/b93a25de28af153312f0fc979b0663fc4bd3442bhttps://git.kernel.org/stable/c/c11cf5e117f50f5a767054600885acd981449afehttps://git.kernel.org/stable/c/9b70fc7d70e8ef7c4a65034c9487f58609e708a1https://git.kernel.org/stable/c/b0702ee4d811708251cdf54d4a1d3e888d365111https://git.kernel.org/stable/c/da46e63482fdc5e35c008865c22ac64027f6f0c2https://git.kernel.org/stable/c/80285ae1ec8717b597b20de38866c29d84d321a1
