Source: Security Magazine
Researcher discovers and patches Linux kernel vulnerabilities
Positive Technologies security researcher Alexander Popov has discovered and fixed five similar issues in the virtual socket implementation of the Linux kernel. These vulnerabilities could be exploited for local privilege escalation, as confirmed by Popov in experiments on Fedora 33 Server. The vulnerabilities, known together as CVE-2021-26708, have received a CVSS v3 base score of 7.0 (high severity).