What is CVE-2015-5156?

CVE-2015-5156 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.1 out of 10, classified as a Buffer Overflow flaw (CWE-119). CVE-2015-5156 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2015-5156?

CVE-2015-5156 has a CVSS score of 6.1 out of 10, rated Medium severity. The vector string is AV:A/AC:L/Au:N/C:N/I:N/A:C.

Is there a patch available for CVE-2015-5156?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2015-5156 patch availability.

Is CVE-2015-5156 actively exploited?

CVE-2015-5156 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-2015-5156

Medium

The virtnet_probe function in drivers/net/virtio_net.c in the Linux kernel before 4.2 attempts to support a FRAGLIST feature without proper memory allocation, which allows guest OS users to cause a denial of service (buffer overflow and memory corruption) via a crafted sequence of fragmented packets.

Package Linux Kernel

Published 2015-10-19

Last modified 2026-05-06

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

6.1

out of 10

Medium

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

None

Availability

Vector string

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

Weakness type

CWE-119

CVE-2015-5156 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

18 total

Showing 5 of 18 references View all on NVD

Details

CVE ID CVE-2015-5156

Severity Medium

CVSS score 6.1 / 10

CVSS version 2.0

Published 2015-10-19

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2015-5156?

CVE-2015-5156 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.1 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2015-5156 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2015-5156?

CVE-2015-5156 has a CVSS score of 6.1 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:A/AC:L/Au:N/C:N/I:N/A:C.
Is there a patch available for CVE-2015-5156?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2015-5156 patch availability.
Is CVE-2015-5156 actively exploited?

No. CVE-2015-5156 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.