What is CVE-2013-4516?

CVE-2013-4516 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-2013-4516 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2013-4516?

CVE-2013-4516 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-2013-4516?

No patch is currently available for CVE-2013-4516. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2013-4516 actively exploited?

CVE-2013-4516 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-2013-4516

Medium

The mp_get_count function in drivers/staging/sb105x/sb_pci_mp.c in the Linux kernel before 3.12 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory via a TIOCGICOUNT ioctl call.

Package Linux Kernel

Published 2013-11-12

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-2013-4516 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-2013-4516 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/2013/11/04/22
Ubuntu Security
http://www.ubuntu.com/usn/USN-2069-1
Ubuntu Security
http://www.ubuntu.com/usn/USN-2070-1
Ubuntu Security
http://www.ubuntu.com/usn/USN-2073-1
Ubuntu Security
http://www.ubuntu.com/usn/USN-2075-1
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a8b33654b1e3b0c74d4a1fed041c9aae50b3c427
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/a8b33654b1e3b0c74d4a1fed041c9aae50b3c427
Patch
Kernel patch commit
https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.12.bz2
Patch

Details

CVE ID CVE-2013-4516

Severity Medium

CVSS score 4.9 / 10

CVSS version 2.0

Published 2013-11-12

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2013-4516?

CVE-2013-4516 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-2013-4516 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2013-4516?

CVE-2013-4516 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-2013-4516?

No patch is currently available for CVE-2013-4516. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2013-4516 actively exploited?

No — CVE-2013-4516 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 →