Improper Verification of Cryptographic Signature Affecting kernel-tools package, versions <0:4.18.0-147.51.1.el8_1
Threat Intelligence
EPSS
0.05% (22nd
percentile)
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Test your applications- Snyk ID SNYK-RHEL8-KERNELTOOLS-4394026
- published 26 Jul 2021
- disclosed 15 Sep 2020
How to fix?
Upgrade RHEL:8 kernel-tools to version 0:4.18.0-147.51.1.el8_1 or higher.
This issue was patched in RHSA-2021:2666.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-tools package and not the kernel-tools package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
The Linux kernel through 5.8.13 does not properly enforce the Secure Boot Forbidden Signature Database (aka dbx) protection mechanism. This affects certs/blacklist.c and certs/system_keyring.c.
CVSS Scores
version 3.1