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

The following references provide additional information about CVE-2015-5156 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

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?

    No patch is currently available for CVE-2015-5156. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • 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.

  • 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 →

Back to
All CVEs
View on
NVD / NIST