CVE-2025-1118 Grub2: commands/dump: the dump command is not in lockdown when secure boot is enabled
An attacker with physical access can read sensitive memory data via the GRUB2 dump command even when Secure Boot lockdown is enabled.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-1118?
CVE-2025-1118 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, published on 19 Feb 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw was found in grub2. Grub's dump command is not blocked when grub is in lockdown mode, which allows the user to read any memory information, and an attacker may leverage this in order to extract signatures, salts, and other sensitive information from the memory.
Weakness: CWE-501
Which versions are affected by CVE-2025-1118?
How do I fix CVE-2025-1118?
Apply the vendor's patch.
Is CVE-2025-1118 being exploited?
There is no known exploitation of CVE-2025-1118 in the wild and no public exploit code.
Sources
Also known as AZL-56904, AZL-57025, BELL-CVE-2025-1118, DEBIAN-CVE-2025-1118, GHSA-5r25-p9f2-w2xv, UBUNTU-CVE-2025-1118.