CVE-2021-33639

7.5 highEPSS 0.5%

High (7.5) in openatom openeuler kernel. 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.

Severity

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)
CWE: CWE-749
Published: 2023-03-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19