CVE-2021-33639

HIGH

openatom openeuler_kernel < 4.19.90-2211.4.0.0177 - Unauthenticated Memory Protection Bypass via SVM REMAP Command

Title source: llm
STIX 2.1

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 (1)

Core 1

Scores

CVSS v3 7.5
EPSS 0.0049
EPSS Percentile 37.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-749
Status published
Products (1)
openatom/openeuler_kernel < 4.19.90-2211.4.0.0177
Published Mar 08, 2023
Tracked Since Feb 18, 2026