What is CVE-2013-3231?

CVE-2013-3231 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10, classified as a Information Exposure flaw (CWE-200). CVE-2013-3231 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2013-3231?

CVE-2013-3231 has a CVSS score of 4.7 out of 10, rated Medium severity. The vector string is AV:L/AC:M/Au:N/C:C/I:N/A:N.

Is there a patch available for CVE-2013-3231?

No patch is currently available for CVE-2013-3231. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2013-3231 actively exploited?

CVE-2013-3231 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Information Exposure (CWE-200)?

The product exposes sensitive information to an actor not authorised to see it. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/200.html

CVE-2013-3231

Medium

The llc_ui_recvmsg function in net/llc/af_llc.c in the Linux kernel before 3.9-rc7 does not initialize a certain length variable, which allows local users to obtain sensitive information from kernel stack memory via a crafted recvmsg or recvfrom system call.

Package Linux Kernel

Published 2013-04-22

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

4.7

out of 10

Medium

Attack Vector

Local

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

None

Availability

None

Vector string

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

Weakness type

CWE-200

CVE-2013-3231 is a Information Exposure vulnerability

What is Information Exposure?

The product exposes sensitive information to an actor not authorised to see it. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2013-3231 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/2013-April/103750.html
Lists
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/104480.html
Lists
http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00016.html
Lists
http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html
Lists
http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
Red Hat
http://rhn.redhat.com/errata/RHSA-2013-1645.html
Mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
Openwall
http://www.openwall.com/lists/oss-security/2013/04/14/3
Ubuntu Security
http://www.ubuntu.com/usn/USN-1837-1
Lkml
https://lkml.org/lkml/2013/4/14/107

Vendor Advisory
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c77a4b9cffb6215a15196ec499490d116dfad181
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/c77a4b9cffb6215a15196ec499490d116dfad181
Patch

Details

CVE ID CVE-2013-3231

Severity Medium

CVSS score 4.7 / 10

CVSS version 2.0

Published 2013-04-22

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2013-3231?

CVE-2013-3231 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10 , classified as an Information Exposure flaw (CWE-200) . CVE-2013-3231 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2013-3231?

CVE-2013-3231 has a CVSS score of 4.7 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:M/Au:N/C:C/I:N/A:N.
Is there a patch available for CVE-2013-3231?

No patch is currently available for CVE-2013-3231. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2013-3231 actively exploited?

No — CVE-2013-3231 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Information Exposure (CWE-200)?

The product exposes sensitive information to an actor not authorised to see it. View CWE-200 on MITRE CWE →