Improper Update of Reference Count Affecting kernel-zfcpdump-modules-extra package, versions <0:4.18.0-513.11.1.el8_9
Threat Intelligence
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-CENTOS8-KERNELZFCPDUMPMODULESEXTRA-6031951
- published 24 Oct 2023
- disclosed 28 Sep 2023
How to fix?
Upgrade Centos:8 kernel-zfcpdump-modules-extra to version 0:4.18.0-513.11.1.el8_9 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-zfcpdump-modules-extra package and not the kernel-zfcpdump-modules-extra package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
The reference count changes made as part of the CVE-2023-33951 and CVE-2023-33952 fixes exposed a use-after-free flaw in the way memory objects were handled when they were being used to store a surface. When running inside a VMware guest with 3D acceleration enabled, a local, unprivileged user could potentially use this flaw to escalate their privileges.