Read the docs
TI-2024-02149 Aliases CVE-2024-2312GHSA-975v-wj6r-fgj8

Use after free in Debian based GNU GRUB

Priority LOW 32CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00378 32nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Debian based GNU GRUB (Debian): 2.12-1ubuntu5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
DebianDebian based GNU GRUBbefore 2.12-1ubuntu52.12-1ubuntu5Patch availableCNA
  • Debian based GNU GRUB VendorDebian Affected before 2.12-1ubuntu5 Fixed in 2.12-1ubuntu5 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*before 2.12-1ubuntu5VulnerableGNU
cpe:2.3:o:netapp:bootstrap_os:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
  • cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:* Versions before 2.12-1ubuntu5 Vulnerable ·GNU
  • cpe:2.3:o:netapp:bootstrap_os:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp

Remediation

  • Fix · CNA Debian based GNU GRUB (Debian) Fixed in 2.12-1ubuntu5

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 4 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-2312
  2. 2026-10-03 Alias added: GHSA-975v-wj6r-fgj8

References

Exploit 1

Advisory 2

  • TI-2026-19388 telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root"… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-31204 Deserialization of untrusted data in Roundcube Webmail KEVCVSS 3.1CRITICAL 9.9
  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-23504 Erlang/OTP SSH Vulnerable to Pre-Authentication RCE KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-18529 Apache Tomcat: Potential RCE and/or information disclosure and/or information corruption with partial PUT KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
See all 10170 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences