CVE-2021-20200

A flaw was found in the Linux kernel. A race condition in mm/mmap.c in VMA access could allow a local attacker with user privileges to crash the system or lead to information leakage. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Mitigation

Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.