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High 7.5Published Aug 8, 2021

CVE-2021-38202fs/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 bei…

Updated under an hour ago ()

Does this affect you?

It affects Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem and 5 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
Not given
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
mitre
NVD analysis
Modified
Record last updated
Oct 14, 2026
First seen by InfoSec Signals
Oct 14, 2026

Affected products

Affected products
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem
siemens:simatic_s7_1500_tm_mfp_gnu_linux_subsystem (from the name)
before V1.1.1
CISA ADP
linux linux_kernel
linux:linux_kernel
before 5.13.4
NVD
netapp hci_bootstrap_os
netapp:hci_bootstrap_os
all versions
NVD
netapp hci_management_node
netapp:hci_management_node
all versions
NVD
netapp solidfire
netapp:solidfire
all versions
NVD
netapp element_software
netapp:element_software
all versions
NVD

References

  • x-refsource-misc, mailing-list, patch, vendor-advisory
  • x-refsource-misc, patch, third-party-advisory
  • x-refsource-confirm, third-party-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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