Untrusted Pointer Dereference Affecting kernel-debug-modules package, versions <0:4.18.0-348.el8
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Test your applications- Snyk ID SNYK-RHEL8-KERNELDEBUGMODULES-4181071
- published 26 Jul 2021
- disclosed 1 Feb 2021
How to fix?
Upgrade RHEL:8 kernel-debug-modules to version 0:4.18.0-348.el8 or higher.
This issue was patched in RHSA-2021:4356.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug-modules package and not the kernel-debug-modules package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
A flaw was found in the Linux kernel in versions before 5.4.92 in the BPF protocol. This flaw allows an attacker with a local account to leak information about kernel internal addresses. The highest threat from this vulnerability is to confidentiality.