CVE-2020-12362: 
Linux Kernel vulnerability analysis and mitigation

An integer overflow vulnerability was identified in Intel Graphics Drivers firmware, tracked as CVE-2020-12362. The vulnerability affects Windows drivers before version 26.20.100.7212 and Linux kernel versions before 5.5. This security issue was discovered and disclosed in April 2020 (CVE Mitre).

The vulnerability is characterized as an integer overflow condition in the firmware of certain Intel Graphics Drivers. The issue received a CVSS v3 severity score of 7.8 (High), indicating its significant security impact (Ubuntu).

If successfully exploited, this vulnerability could allow a privileged user to escalate their privileges on the affected system via local access (NVD).

The vulnerability requires local access and privileged user status to exploit. The attacker must have prior authentication and elevated privileges on the target system to successfully leverage this vulnerability (Red Hat).

The vulnerability was addressed through firmware updates, requiring version 49.0.1 or later of the Intel Graphics firmware. Additionally, the fix requires a kernel patch for Linux systems. For Windows systems, updating to driver version 26.20.100.7212 or later is required (Debian Security).