{"id":"CVE-2021-22555","vendor_project":"Linux","product":"Kernel","vulnerability_name":"Linux Kernel Heap Out-of-Bounds Write Vulnerability","date_added":"2025-10-06","due_date":"2025-10-27","known_ransomware_use":"Unknown","short_description":"Linux Kernel contains a heap out-of-bounds write vulnerability that could allow an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space.","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","cwes":"CWE-787","cvss_version":"3.1","cvss_severity":"HIGH","cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","nvd_published":"2021-07-07","nvd_status":"Analyzed","epss":0.78684,"epss_percentile":0.99569,"cvss_score":7.8,"days_published_to_kev":1552,"source":"https://data.cybermax-tools.workers.dev/cve/CVE-2021-22555","by":"CyberMax"}