What is CVE-2013-7446?

CVE-2013-7446 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.3 out of 10. CVE-2013-7446 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2013-7446?

CVE-2013-7446 has a CVSS score of 5.3 out of 10, rated Medium severity. The vector string is CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H.

Is there a patch available for CVE-2013-7446?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2013-7446 patch availability.

Is CVE-2013-7446 actively exploited?

CVE-2013-7446 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2013-7446

Medium

Use-after-free vulnerability in net/unix/af_unix.c in the Linux kernel before 4.3.3 allows local users to bypass intended AF_UNIX socket permissions or cause a denial of service (panic) via crafted epoll_ctl calls.

Package Linux Kernel

Published 2015-12-28

Last modified 2026-05-06

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

5.3

out of 10

Medium

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

High

Vector string

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H

References

53 total

Spinics
http://www.spinics.net/lists/netdev/msg318826.html

Exploit
Lkml
https://lkml.org/lkml/2013/10/14/424

Exploit
Lkml
https://lkml.org/lkml/2014/5/15/532

Exploit
Lkml
https://lkml.org/lkml/2015/9/13/195

Exploit
Kernel.org
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3

Vendor Advisory

Showing 5 of 53 references View all on NVD

Details

CVE ID CVE-2013-7446

Severity Medium

CVSS score 5.3 / 10

CVSS version 3.0

Published 2015-12-28

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2013-7446?

CVE-2013-7446 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.3 out of 10 . CVE-2013-7446 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2013-7446?

CVE-2013-7446 has a CVSS score of 5.3 out of 10, rated Medium severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H.
Is there a patch available for CVE-2013-7446?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2013-7446 patch availability.
Is CVE-2013-7446 actively exploited?

No. CVE-2013-7446 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.