CVE-2015-8543

High

The networking implementation in the Linux kernel through 4.3.3, as used in Android and other products, does not validate protocol identifiers for certain protocol families, which allows local users to cause a denial of service (NULL function pointer dereference and system crash) or possibly gain privileges by leveraging CLONE_NEWUSER support to execute a crafted SOCK_RAW application.

Package Linux Kernel
Published 2015-12-28
Last modified 2026-05-06
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

7.0

out of 10
High
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Vector string
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References

The following references provide additional information about CVE-2015-8543 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-2015-8543?

    CVE-2015-8543 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10 . CVE-2015-8543 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2015-8543?

    CVE-2015-8543 has a CVSS score of 7.0 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H .

  • Is there a patch available for CVE-2015-8543?

    No patch is currently available for CVE-2015-8543. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2015-8543 actively exploited?

    No — CVE-2015-8543 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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