PT-2024-7967 · Grub2 · Grub2

Mate Kukri + 1 · Published 2024-04-05 · Updated 2026-04-16 · CVE-2024-2312

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:L/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions GRUB2 (affected versions not specified)

Description The issue is related to GRUB2 not calling the module fini functions on exit, which leads to the peimage GRUB2 module leaving UEFI system table hooks after exit. This results in a use-after-free condition and could possibly lead to secure boot bypass. The vulnerability may allow an attacker to impact the confidentiality, integrity, and availability of protected information.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2024-09480

CVE-2024-2312

OPENSUSE-RU-2026:20325-1

SUSE-RU-2026:20004-1

SUSE-RU-2026:20056-1

SUSE-RU-2026:20683-1

SUSE-SU-2026:0741-1

SUSE-SU-2026:1414-1

Affected Products

Grub2

References · 35

• https://osv.dev/vulnerability/SUSE-SU-2026:1414-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-09480 · Security Note
• https://wiki.astralinux.ru/astra-linux-se38-bulletin-2026-0305SE38 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-RU-2026:20056-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2024-2312 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0741-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2024-2312 · Vendor Advisory
• https://bugs.launchpad.net/ubuntu/+source/grub2-unsigned/+bug/2054127 · Patch
• https://ubuntu.com/security/CVE-2024-2312 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-RU-2026:20683-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2024-2312 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-2312 · Security Note
• https://osv.dev/vulnerability/openSUSE-RU-2026:20325-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se18-bulletin-2025-1113SE18 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2024-2312 · Vendor Advisory