Privilege Defined With Unsafe Actions Affecting grub2-pc-modules package, versions <1:2.02-78.0.2.el8


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE8-GRUB2PCMODULES-2546414
  • published10 Apr 2022
  • disclosed29 Nov 2019

Introduced: 29 Nov 2019

CVE-2019-14865  (opens in a new tab)
CWE-267  (opens in a new tab)

How to fix?

Upgrade Oracle:8 grub2-pc-modules to version 1:2.02-78.0.2.el8 or higher.
This issue was patched in ELSA-2019-4869.

NVD Description

Note: Versions mentioned in the description apply only to the upstream grub2-pc-modules package and not the grub2-pc-modules package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

A flaw was found in the grub2-set-bootflag utility of grub2. A local attacker could run this utility under resource pressure (for example by setting RLIMIT), causing grub2 configuration files to be truncated and leaving the system unbootable on subsequent reboots.

CVSS Scores

version 3.1