MEDIUM 6.7 Microsoft
CVE-2024-2312
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.
Microsoft Security Update 2024-Apr: 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 Products
- cbl2 grub2 2.06-14 on CBL Mariner 2.0
- azl3 grub2 2.06-24 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-2312
- https://nvd.nist.gov/vuln/detail/CVE-2024-2312
This medium severity vulnerability with a CVSS score of 6.7 was published on 2024-04-09 via Microsoft. Affected: cbl2 grub2 2.06-14 on CBL Mariner 2.0, azl3 grub2 2.06-24 on Azure Linux 3.0.
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