CVE-2021-3411

Public Exploit

Description

A flaw was found in the Linux kernel in versions prior to 5.10. A violation of memory access was found while detecting a padding of int3 in the linking state. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Category

6.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.10%
Third-Party Advisory com.pl Third-Party Advisory redhat.com
Affected: n/a Linux kernel
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1928236 third party advisory issue tracking exploit
http://blog.pi3.com.pl/?p=831 patch third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-3411?
CVE-2021-3411 has been scored as a medium severity vulnerability.
How to fix CVE-2021-3411?
To fix CVE-2021-3411, 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-2021-3411 being actively exploited in the wild?
It is possible that CVE-2021-3411 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3411?
CVE-2021-3411 affects n/a Linux kernel.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.