CVE-2021-38201

High

net/sunrpc/xdr.c in the Linux kernel before 5.13.4 allows remote attackers to cause a denial of service (xdr_set_page_base slab-out-of-bounds access) by performing many NFS 4.2 READ_PLUS operations.

Package Linux Kernel
Published 2021-08-08
Last modified 2024-11-21
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

7.5

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

Weakness type

CWE-119

CVE-2021-38201 is a Buffer Overflow vulnerability

What is Buffer Overflow?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE

References

3 total

Frequently asked questions

  • What is CVE-2021-38201?

    CVE-2021-38201 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2021-38201 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2021-38201?

    CVE-2021-38201 has a CVSS score of 7.5 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H .

  • Is there a patch available for CVE-2021-38201?

    Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2021-38201 patch availability.

  • Is CVE-2021-38201 actively exploited?

    No. CVE-2021-38201 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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