CVE-2021-33639

high

Description

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

References

https://gitee.com/openeuler/kernel/commit/e4d0684a3ce68e7f8e11408121e791cd80312b27

Details

Source: Mitre, NVD

Published: 2023-03-08

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:N

Severity: High

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.00056