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CVE-2021-33639

Good to know:

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Date: March 7, 2023

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

Language: C

Severity Score

Related Resources (3)

https://nvd.nist.gov/vuln/detail/CVE-2021-33639
https://gitee.com/openeuler/kernel/commit/e4d0684a3ce68e7f8e11408121e791cd80312b27
https://www.mend.io/vulnerability-database/CVE-2021-33639

Severity Score

Weakness Type (CWE)

Exposed Dangerous Method or Function

CWE-749

Insufficient Information

NVD-CWE-noinfo

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

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