CVE-2021-38202

kernel: out-of-bounds read in TRACE_EVENT() in fs/nfsd/trace.h by sending NFS traffic when the trace event framework is being used for nfsd

Published Aug 8, 2021 CVSS 3.1 · 7.5 High EPSS 3.2% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-24660 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.
Ubuntu USN Ubuntu USN USN-5096-1 Linux kernel (OEM) vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.02519}

epss

{'score': 0.0187}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 14, 2026, 11:49 AM
Reserved
Aug 8, 2021, 12:00 AM
Status
Modified
Published
Aug 8, 2021, 8:15 PM
Modified
Oct 14, 2026, 12:17 PM
Severity
Important
Public date
Jul 6, 2021, 12:00 AM