The fix for CVE-2019-11599, affecting the Linux kernel before 5.0.10 was not complete. A local user could use this flaw to obtain sensitive information, cause a denial of service, or possibly have other unspecified impacts by triggering a race condition with mmget_not_zero or get_task_mm calls.
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://github.com/ARPSyndicate/cvemon