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CVE-2024-2312

Good to know:

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Date: April 5, 2024

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.

Language: C

Severity Score

Related Resources (6)

https://security-tracker.debian.org/tracker/CVE-2024-2312
https://bugs.launchpad.net/ubuntu/+source/grub2-unsigned/+bug/2054127
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2312
https://nvd.nist.gov/vuln/detail/CVE-2024-2312
https://security.netapp.com/advisory/ntap-20240426-0003/
https://www.mend.io/vulnerability-database/CVE-2024-2312

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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