CVE-2022-50181

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> virtio-gpu: fix a missing check to avoid NULL dereference<br /> <br /> &amp;#39;cache_ent&amp;#39; could be set NULL inside virtio_gpu_cmd_get_capset()<br /> and it will lead to a NULL dereference by a lately use of it<br /> (i.e., ptr = cache_ent-&gt;caps_cache). Fix it with a NULL check.<br /> <br /> <br /> [ kraxel: minor codestyle fixup ]