What is CVE-2012-3520?

CVE-2012-3520 is a Low severity Linux kernel vulnerability with a CVSS score of 1.9 out of 10. CVE-2012-3520 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2012-3520?

CVE-2012-3520 has a CVSS score of 1.9 out of 10, rated Low severity. The vector string is AV:L/AC:M/Au:N/C:N/I:P/A:N.

Is there a patch available for CVE-2012-3520?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2012-3520 patch availability.

Is CVE-2012-3520 actively exploited?

CVE-2012-3520 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2012-3520

Low

The Netlink implementation in the Linux kernel before 3.2.30 does not properly handle messages that lack SCM_CREDENTIALS data, which might allow local users to spoof Netlink communication via a crafted message, as demonstrated by a message to (1) Avahi or (2) NetworkManager.

Package Linux Kernel

Published 2012-10-03

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

1.9

out of 10

Low

Attack Vector

Local

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

None

Integrity

Availability

None

Vector string

AV:L/AC:M/Au:N/C:N/I:P/A:N

Weakness type

CWE-287

CVE-2012-3520 is classified as CWE-287

See CWE-287 on MITRE CWE for full details on this weakness type.

References

12 total

Showing 5 of 12 references View all on NVD

Details

CVE ID CVE-2012-3520

Severity Low

CVSS score 1.9 / 10

CVSS version 2.0

Published 2012-10-03

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2012-3520?

CVE-2012-3520 is a Low severity Linux kernel vulnerability with a CVSS score of 1.9 out of 10 . CVE-2012-3520 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2012-3520?

CVE-2012-3520 has a CVSS score of 1.9 out of 10, rated Low severity (CVSS 2.0). The vector string is AV:L/AC:M/Au:N/C:N/I:P/A:N.
Is there a patch available for CVE-2012-3520?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2012-3520 patch availability.
Is CVE-2012-3520 actively exploited?

No. CVE-2012-3520 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.