Security vulnerability : Kernel af_alg_release() socket protocol vulnerability - CVE-2019-8912

This document (7023740) is provided subject to the disclaimer at the end of this document.


SUSE Linux Enterprise Server 12 Service Pack 4 (SLES 12 SP4)
SUSE Linux Enterprise Server 15


A new kernel security issue in the AF_ALG socket protocol was published recently, where local attackers could cause a use-after-free based attack.


SUSE Linux Enterprise 12 SP4 and SUSE Linux Enterprise 15 GA are affected and will receive fixes. 
Older SUSE Linux Enterprise products are not affected.


Additional Information

NIST NVD has rated this issue incorrectly at CVSS v3 base score of 9.8 and "Network" exploitable.
This evaluation is not correct, the issue is only local exploitable, which gets it a CVSS v3 base score of 7.8.


This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:7023740
  • Creation Date: 22-Feb-2019
  • Modified Date:03-Mar-2020
    • SUSE Linux Enterprise Server

< Back to Support Search

For questions or concerns with the SUSE Knowledgebase please contact: tidfeedback[at]

SUSE Support Forums

Get your questions answered by experienced Sys Ops or interact with other SUSE community experts.

Join Our Community

Support Resources

Learn how to get the most from the technical support you receive with your SUSE Subscription, Premium Support, Academic Program, or Partner Program.

SUSE Customer Support Quick Reference Guide SUSE Technical Support Handbook Update Advisories
Support FAQ

Open an Incident

Open an incident with SUSE Technical Support, manage your subscriptions, download patches, or manage user access.

Go to Customer Center