What is CVE-2021-3411?

CVE-2021-3411 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.7 out of 10. CVE-2021-3411 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-3411?

CVE-2021-3411 has a CVSS score of 6.7 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2021-3411?

No patch is currently available for CVE-2021-3411. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2021-3411 actively exploited?

CVE-2021-3411 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2021-3411

Medium

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.

Package Linux Kernel

Published 2021-03-09

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

6.7

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-94

CVE-2021-3411 is classified as CWE-94

See CWE-94 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2021-3411 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=1928236

Exploit Issue Tracking Third Party Advisory
Kernel patch commit
http://blog.pi3.com.pl/?p=831
Patch

Details

CVE ID CVE-2021-3411

Severity Medium

CVSS score 6.7 / 10

CVSS version 3.1

Published 2021-03-09

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2021-3411?

CVE-2021-3411 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.7 out of 10 . CVE-2021-3411 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-3411?

CVE-2021-3411 has a CVSS score of 6.7 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2021-3411?

No patch is currently available for CVE-2021-3411. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2021-3411 actively exploited?

No — CVE-2021-3411 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.