CVE-2021-38202

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.45% Top 25%
Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4 mailing list vendor advisory patch
https://github.com/torvalds/linux/commit/7b08cf62b1239a4322427d677ea9363f0ab677c6 patch third party advisory
https://security.netapp.com/advisory/ntap-20210902-0010/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-38202?
CVE-2021-38202 has been scored as a high severity vulnerability.
How to fix CVE-2021-38202?
To fix CVE-2021-38202, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-38202 being actively exploited in the wild?
It is possible that CVE-2021-38202 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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