CVE-2022-2855: 
vulnerability analysis and mitigation

CVE-2022-2855 is a Use-after-free vulnerability discovered in ANGLE (Almost Native Graphics Layer Engine) component of Google Chrome versions prior to 104.0.5112.101. The vulnerability was reported by Cassidy Kim of Amber Security Lab, OPPO Mobile Telecommunications Corp. Ltd. on July 16, 2022 (Chrome Release).

The vulnerability is classified as High severity with a CVSS v3.1 base score of 8.8. The vulnerability allows a remote attacker to potentially exploit heap corruption through a specially crafted HTML page. The CVSS vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, indicating network accessibility, low attack complexity, no privileges required, and user interaction required (NVD).

If successfully exploited, this vulnerability could lead to heap corruption, potentially allowing an attacker to execute arbitrary code within the context of the browser. The high CVSS score indicates that successful exploitation could result in a complete compromise of confidentiality, integrity, and availability of the affected system (NVD).

Google released a patch for this vulnerability in Chrome version 104.0.5112.101. Users are advised to update their Chrome browser to this version or later. The fix was also backported to various Linux distributions including Debian and Fedora (Debian Tracker, Chrome Release).