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CVE-2024-2312

MEDIUM
6.7
CVSS Score
Published: April 5, 2024 at 07:40 PM UTC
Updated: June 17, 2026 at 07:24 AM UTC
4 products affected across 3 vendorsBootstrap OSGRUB2Hci Compute Node

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Severity
MEDIUM6.7
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

GRUB2· Gnu
95%
v < 2.12-1ubuntu5
Affected range stops below 2.12-1ubuntu5, so it looks safe — our inference, not a vendor statement
Bootstrap OS· NetApp
95%
All versions
netapp-hci-compute-node (environment)
GRUB2· Debian
60%
v < 2.12-1ubuntu5
Affected range stops below 2.12-1ubuntu5, so it looks safe — our inference, not a vendor statement
Hci Compute Node· NetAppdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

Issue TrackingExploitPatch
Source: [email protected]
https://bugs.launchpad.net/ubuntu/+source/grub2-unsigned/+bug/2054127
Issue TrackingThird Party Advisory
Source: [email protected]
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2312
Third Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20240426-0003/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.7MEDIUMcanonical
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-416

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