Medium severity · published Apr 5, 2024
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
6.7
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BO
Bootstrap OS · Netapp
All versions, or not specified · source: NVD
GR
Grub2 · Gnu
before 2.12-1ubuntu5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-2312
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-2312
Exploit
https://bugs.launchpad.net/ubuntu/+source/grub2-unsigned/+bug/2054127
Third Party Advisory
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2312
Third Party Advisory
https://security.netapp.com/advisory/ntap-20240426-0003/
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