CVE-2021-38202

HIGH

7.5

CVSS Score

Published: August 8, 2021 at 07:25 PM UTC

Updated: October 14, 2026 at 12:17 PM UTC

6 products affected across 3 vendorsLinux KernelSolidfireHci Management Node· also runs on 2 platforms

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Severity

HIGH7.5

Exploit prediction

EPSS 3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

v < 5.13.4

Affected range stops below 5.13.4, so it looks safe — our inference, not a vendor statement

Element Software · NetApp

95%

All versions

netapp-hci-storage-node (environment)

Hci Bootstrap OS · NetApp

95%

All versions

netapp-hci-compute-node (environment)

Hci Management Node · NetApp

95%

All versions

Solidfire · NetApp

95%

All versions

SIMATIC S7-1500 TM MFP · Siemens

60%

All versions

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Hci Compute Node · NetApp

95%

Hci Storage Node · NetApp

95%

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

x_refsource_MISCMailing ListPatchVendor Advisory

Source: [email protected]

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

x_refsource_MISCPatchThird Party Advisory

Source: [email protected]

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

x_refsource_CONFIRMThird Party Advisory

Source: [email protected]

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

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

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

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-125

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