Home/CVE/GRUB2 does not call the module fini functions on exit, leading to Debian/Ubuntu's peimage GRUB2 module leaving UEFI syst
CVE

CVE-2024-2312

GRUB2 does not call the module fini functions on exit, leading to Debian/Ubuntu's peimage GRUB2 module leaving UEFI syst

GRUB2 does not call the module fini functions on exit, leading to Debian/Ubuntu's peimage GRUB2 module leaving UEFI system table hooks after exit. This lead to a use-after-free condition, and could possibly lead to secure boot bypass.

MEDIUM · CVSS 6.7 EPSS 0.00021
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

2
gnu grub2< 2.12-1ubuntu5
netapp bootstrap osall versions
⚠

Public Exploits & PoCs

1
pocbugs.launchpad.net · 2054127bugs.launchpad.net
▣

Scoring & Timeline

6.7
MEDIUM · CVSS v3.1 · security@ubuntu.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Apr 2024 · 08:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

7
suse-csafSUSE-SU-2026:1414-1
suse-csafopensuse-ru-2026_20325-1
suse-csafsuse-ru-2026_20683-1
suse-csafSUSE-SU-2026:0741-1
suse-csafsuse-ru-2026_20056-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2312Third Party Advisory
https://security.netapp.com/advisory/ntap-20240426-0003/Third Party Advisory
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