CVE-2021-33639: Openatom Openeuler Kernel

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

REMAP cmd of SVM driver can be used to remap read only memory as read-write, then cause read only memory/file modified.

Affected products

• Openatom Openeuler Kernel: up to and including 4.19.90-2211.4.0.0177; from 5.0, up to and including 5.10.0-60.67.0.92

Published 2023-03-08. Last modified 2026-06-17.