What is CVE-2013-3237?

CVE-2013-3237 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.9 out of 10, classified as a Information Exposure flaw (CWE-200). CVE-2013-3237 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2013-3237?

CVE-2013-3237 has a CVSS score of 4.9 out of 10, rated Medium severity. The vector string is AV:L/AC:L/Au:N/C:C/I:N/A:N.

Is there a patch available for CVE-2013-3237?

No patch is currently available for CVE-2013-3237. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2013-3237 actively exploited?

CVE-2013-3237 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-2013-3237

Medium

The vsock_stream_sendmsg function in net/vmw_vsock/af_vsock.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

4.9

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

None

Availability

None

Vector string

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

Weakness type

CWE-200

CVE-2013-3237 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-2013-3237 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Openwall
http://www.openwall.com/lists/oss-security/2013/04/14/3
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=d5e0d0f607a7a029c6563a0470d88255c89a8d11
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/d5e0d0f607a7a029c6563a0470d88255c89a8d11
Patch

Details

CVE ID CVE-2013-3237

Severity Medium

CVSS score 4.9 / 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-2013-3237?

CVE-2013-3237 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.9 out of 10 , classified as an Information Exposure flaw (CWE-200) . CVE-2013-3237 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2013-3237?

CVE-2013-3237 has a CVSS score of 4.9 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:L/Au:N/C:C/I:N/A:N.
Is there a patch available for CVE-2013-3237?

No patch is currently available for CVE-2013-3237. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2013-3237 actively exploited?

No — CVE-2013-3237 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 →