Medium severity · published Mar 3, 2025
CVE-2024-45778
Grub2: fs/bfs: integer overflow in the bfs parser.
5.5
CVSS
0.3%
EPSS
No
On KEV
Description
A stack overflow flaw was found when reading a BFS file system. A crafted BFS filesystem may lead to an uncontrolled loop, causing grub2 to crash.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Enterprise Linux · Redhat
7.0; 8.0; 9.0 · source: NVD
GR
Grub2 · Gnu
through 2.12 · source: NVD
OC
Openshift Container Platform · Redhat
4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-45778
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-45778
Broken Link
https://access.redhat.com/security/cve/CVE-2024-45778
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2345640
lists.gnu.org
https://lists.gnu.org/archive/html/grub-devel/2025-02/msg00024.html
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