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HIGH · 7.5

CVE-2021-33639

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

Vulnerability Description

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

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
OpenatomOpeneuler Kernel<= 4.19.90-2211.4.0.0177

Related Weaknesses (CWE)

CWE-749

References

FAQ

What is CVE-2021-33639?

CVE-2021-33639 is a vulnerability with a CVSS score of 7.5 (HIGH). REMAP cmd of SVM driver can be used to remap read only memory as read-write, then cause read only memory/file modified.

How severe is CVE-2021-33639?

CVE-2021-33639 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-33639?

Check the references section above for vendor advisories and patch information. Affected products include: Openatom Openeuler Kernel.