CVE-2020-25212

High

A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452.

Package Linux Kernel
Published 2020-09-09
Last modified 2024-11-21
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

7.0

out of 10
High
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Vector string
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-367

CVE-2020-25212 is classified as CWE-367

See CWE-367 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2020-25212 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2020-25212?

    CVE-2020-25212 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10 . CVE-2020-25212 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2020-25212?

    CVE-2020-25212 has a CVSS score of 7.0 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H .

  • Is there a patch available for CVE-2020-25212?

    No patch is currently available for CVE-2020-25212. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2020-25212 actively exploited?

    No — CVE-2020-25212 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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