CVE-2016-4580

High

The x25_negotiate_facilities function in net/x25/x25_facilities.c in the Linux kernel before 4.5.5 does not properly initialize a certain data structure, which allows attackers to obtain sensitive information from kernel stack memory via an X.25 Call Request.

Package Linux Kernel
Published 2016-05-23
Last modified 2026-05-06
CVSS version 3.0
Patch available
Awaiting data

CVSS 3.0 score

7.5

out of 10
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Vector string
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness type

CWE-200

CVE-2016-4580 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-2016-4580 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-2016-4580?

    CVE-2016-4580 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10 , classified as an Information Exposure flaw (CWE-200) . CVE-2016-4580 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2016-4580?

    CVE-2016-4580 has a CVSS score of 7.5 out of 10, rated High severity (CVSS 3.0). The vector string is CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N .

  • Is there a patch available for CVE-2016-4580?

    No patch is currently available for CVE-2016-4580. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2016-4580 actively exploited?

    No — CVE-2016-4580 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 →

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