Race Condition Affecting kernel-debug-core package, versions <0:4.18.0-425.3.1.el8
Threat Intelligence
EPSS
0.06% (25th
percentile)
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-ROCKY8-KERNELDEBUGCORE-3191548
- published 5 Jan 2023
- disclosed 21 Jul 2022
How to fix?
Upgrade Rocky-Linux:8 kernel-debug-core to version 0:4.18.0-425.3.1.el8 or higher.
This issue was patched in RLSA-2022:7683.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug-core package and not the kernel-debug-core package as distributed by Rocky-Linux.
See How to fix? for Rocky-Linux:8 relevant fixed versions and status.
A race condition in the Linux kernel before 5.5.7 involving VT_RESIZEX could lead to a NULL pointer dereference and general protection fault.
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36558
- https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-36558.json
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.7
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6cd1ed50efd88261298577cd92a14f2768eddeeb
CVSS Scores
version 3.1