A use-after-free(UAF) vulnerability was found in function 'vmw_execbuf_tie_context' in drivers/gpu/vmxgfx/vmxgfx_execbuf.c in Linux kernel's vmwgfx driver with device file '/dev/dri/renderD128 (or Dxxx)'. This flaw allows a local attacker with a user account on the system to gain privilege, causing a denial of service(DoS).

References

• https://nvd.nist.gov/vuln/detail/CVE-2022-40133
• https://bugzilla.openanolis.cn/show_bug.cgi?id=2075