What is CVE-2013-4312?

CVE-2013-4312 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.2 out of 10, classified as a Buffer Overflow flaw (CWE-119). CVE-2013-4312 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2013-4312?

CVE-2013-4312 has a CVSS score of 6.2 out of 10, rated Medium severity. The vector string is CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2013-4312?

No patch is currently available for CVE-2013-4312. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2013-4312 actively exploited?

CVE-2013-4312 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/119.html

CVE-2013-4312

Medium

The Linux kernel before 4.4.1 allows local users to bypass file-descriptor limits and cause a denial of service (memory consumption) by sending each descriptor over a UNIX socket before closing it, related to net/unix/af_unix.c and net/unix/garbage.c.

Package Linux Kernel

Published 2016-02-08

Last modified 2026-05-06

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

6.2

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-119

CVE-2013-4312 is a Buffer Overflow vulnerability

What is Buffer Overflow?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2013-4312 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.html
Lists
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
Red Hat
http://rhn.redhat.com/errata/RHSA-2016-0855.html
Red Hat
http://rhn.redhat.com/errata/RHSA-2016-2574.html
Red Hat
http://rhn.redhat.com/errata/RHSA-2016-2584.html
Debian Security
http://www.debian.org/security/2016/dsa-3448
Debian Security
http://www.debian.org/security/2016/dsa-3503
Kernel.org
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1

Vendor Advisory
Oracle
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

Third Party Advisory
Securityfocus
http://www.securityfocus.com/bid/82986
Ubuntu Security
http://www.ubuntu.com/usn/USN-2929-1
Ubuntu Security
http://www.ubuntu.com/usn/USN-2929-2
Ubuntu Security
http://www.ubuntu.com/usn/USN-2931-1
Ubuntu Security
http://www.ubuntu.com/usn/USN-2932-1
Ubuntu Security
http://www.ubuntu.com/usn/USN-2967-1
Ubuntu Security
http://www.ubuntu.com/usn/USN-2967-2
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=1297813

Issue Tracking Third Party Advisory VDB Entry
Debian Security
https://security-tracker.debian.org/tracker/CVE-2013-4312

Third Party Advisory VDB Entry
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=712f4aad406bb1ed67f3f98d04c044191f0ff593
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/712f4aad406bb1ed67f3f98d04c044191f0ff593
Patch

Details

CVE ID CVE-2013-4312

Severity Medium

CVSS score 6.2 / 10

CVSS version 3.0

Published 2016-02-08

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2013-4312?

CVE-2013-4312 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.2 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2013-4312 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2013-4312?

CVE-2013-4312 has a CVSS score of 6.2 out of 10, rated Medium severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2013-4312?

No patch is currently available for CVE-2013-4312. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2013-4312 actively exploited?

No — CVE-2013-4312 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. View CWE-119 on MITRE CWE →