CVE-2021-38202

moderate-risk

Published 2021-08-08

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.

Do I need to act?

1.1% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.5/10 High

NETWORK / LOW complexity

Affected Products (5)

Linux Kernel

Hci Bootstrap Os

Hci Management Node

Solidfire

Element Software

Affected Vendors

Linux Netapp

References (6)

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

Patch https://github.com/torvalds/linux/commit/7b08cf62b1239a4322427d677ea9363f0ab677c...

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

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

Patch https://github.com/torvalds/linux/commit/7b08cf62b1239a4322427d677ea9363f0ab677c...

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

/ 100

moderate-risk

Severity 26/34 · High

Exploitability 3/34 · Minimal

Exposure 12/34 · Low