Two of the advisories have been assigned a high severity rating. One of them describes a vulnerability affecting some Intel NUC 9 Extreme laptop kits that can be exploited by an authenticated attacker to escalate privileges. The flaw (CVE-2021-0196) is caused by improper access control issues in the kernel mode driver.
Another high-severity advisory describes three vulnerabilities affecting Intel Ethernet controller X722 and 800 series Linux drivers. The most serious of the flaws, CVE-2021-0084, can be exploited by an authenticated attacker to escalate privileges.
