CVE-2021-38202

7.5 HIGH

Published: August 08, 2021 Modified: May 12, 2026

Description

fs/nfsd/trace.h in the Linux kernel before 5.13.4 might allow remote attackers to cause a denial of service (out-of-bounds read in strlen) by sending NFS traffic when the trace event framework is being used for nfsd.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4

Source: cve@mitre.org

Mailing List Patch Vendor Advisory

https://github.com/torvalds/linux/commit/7b08cf62b1239a4322427d677ea9363f0ab677c6

Source: cve@mitre.org

Patch Third Party Advisory

https://security.netapp.com/advisory/ntap-20210902-0010/

Source: cve@mitre.org

Third Party Advisory

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List Patch Vendor Advisory

https://github.com/torvalds/linux/commit/7b08cf62b1239a4322427d677ea9363f0ab677c6

Source: af854a3a-2127-422b-91ae-364da2661108

Patch Third Party Advisory

https://security.netapp.com/advisory/ntap-20210902-0010/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://cert-portal.siemens.com/productcert/html/ssa-265688.html

Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e

7 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

3.2%

87th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-125

Affected Vendors

netapp linux

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