What is CVE-2021-3655?

CVE-2021-3655 is a Low severity Linux kernel vulnerability with a CVSS score of 3.3 out of 10. CVE-2021-3655 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-3655?

CVE-2021-3655 has a CVSS score of 3.3 out of 10, rated Low severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Is there a patch available for CVE-2021-3655?

No patch is currently available for CVE-2021-3655. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2021-3655 actively exploited?

CVE-2021-3655 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2021-3655

Low

A vulnerability was found in the Linux kernel in versions prior to v5.14-rc1. Missing size validations on inbound SCTP packets may allow the kernel to read uninitialized memory.

Package Linux Kernel

Published 2021-08-05

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

3.3

out of 10

Low

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Vector string

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

Weakness type

CWE-909

CVE-2021-3655 is classified as CWE-909

See CWE-909 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2021-3655 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html

Mailing List Third Party Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html

Mailing List Third Party Advisory
Kernel patch commit
https://bugzilla.redhat.com/show_bug.cgi?id=1984024
Patch

Details

CVE ID CVE-2021-3655

Severity Low

CVSS score 3.3 / 10

CVSS version 3.1

Published 2021-08-05

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2021-3655?

CVE-2021-3655 is a Low severity Linux kernel vulnerability with a CVSS score of 3.3 out of 10 . CVE-2021-3655 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-3655?

CVE-2021-3655 has a CVSS score of 3.3 out of 10, rated Low severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Is there a patch available for CVE-2021-3655?

No patch is currently available for CVE-2021-3655. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2021-3655 actively exploited?

No — CVE-2021-3655 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.