CVE-2021-33639

Description

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

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.06%
Affected: n/a kernel
Published at:
Updated at:

References

Link Tags
https://gitee.com/openeuler/kernel/commit/e4d0684a3ce68e7f8e11408121e791cd80312b27 permissions required

Frequently Asked Questions

What is the severity of CVE-2021-33639?
CVE-2021-33639 has been scored as a high severity vulnerability.
How to fix CVE-2021-33639?
To fix CVE-2021-33639, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-33639 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-33639 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-33639?
CVE-2021-33639 affects n/a kernel.
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