Out-of-bounds Write Affecting grub2-ppc64le package, versions <1:2.02-156.el8.alma.1


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.04% (6th 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 IDSNYK-ALMALINUX8-GRUB2PPC64LE-7167868
  • published30 May 2024
  • disclosed22 May 2024

Introduced: 22 May 2024

CVE-2023-4692  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 grub2-ppc64le to version 1:2.02-156.el8.alma.1 or higher.
This issue was patched in ALSA-2024:3184.

NVD Description

Note: Versions mentioned in the description apply only to the upstream grub2-ppc64le package and not the grub2-ppc64le package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

An out-of-bounds write flaw was found in grub2's NTFS filesystem driver. This issue may allow an attacker to present a specially crafted NTFS filesystem image, leading to grub's heap metadata corruption. In some circumstances, the attack may also corrupt the UEFI firmware heap metadata. As a result, arbitrary code execution and secure boot protection bypass may be achieved.

CVSS Scores

version 3.1