#VU104066 Improper error handling in grub - CVE-2024-45775

Vulnerability identifier: #VU104066

Vulnerability risk: Low

CVSSv4.0: 4.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-45775

CWE-ID: CWE-388

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
grub
Universal components / Libraries / Libraries used by multiple products

Vendor: GNU

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect handling of memory allocation failures within the grub_extcmd_dispatcher() function. A local user can perform a denial of service attack or corrupt the IVT data.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

grub: 2.00 - 2.12

---

External links
https://lists.gnu.org/archive/html/grub-devel/2025-02/msg00024.html

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.