Findings

CVE-2021-38202

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…

Published Aug 8, 2021 · updated Oct 14, 2026 · linux linux kernel

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.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 8, 2021 · NIST NVD

    Detected

    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.

  2. Oct 14, 2026 · NIST NVD

    Updated

    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.

Affected

  • cpe linux/linux kernelversion unspecified
  • cpe netapp/element softwareversion unspecified
  • cpe netapp/hci bootstrap osversion unspecified
  • cpe netapp/hci management nodeversion unspecified
  • cpe netapp/solidfireversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2021-38202

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-38202

    30-day exploitation probability 3.2%

    first.org
  • NIST NVDVulnerability recordCVE-2021-38202

    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.

    nvd.nist.gov

References