Grub2: commands/dump: the dump command is not in lockdown when secure boot is enabled
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.4epss 0.3%
exploitation probability
0.3%top 75% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Affected products
grub2Red Hat · Red Hat Enterprise Linux 10Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat OpenShift Container Platform 4References
https://access.redhat.com/errata/RHSA-2025:16154https://access.redhat.com/security/cve/CVE-2025-1118https://bugzilla.redhat.com/show_bug.cgi?id=2346137https://git.savannah.gnu.org/cgit/grub.git/commit/?id=34824806ac6302f91e8cabaa41308eaced25725fhttps://lists.gnu.org/archive/html/grub-devel/2025-02/msg00024.html