CVE-2025-54771: Grub2: use-after-free in grub_file_close()
GNU · grub2
Affected: GNU grub2 · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 4% of scored CVEs
DescriptionCVE.org
A use-after-free vulnerability has been identified in the GNU GRUB (Grand Unified Bootloader). The flaw occurs because the file-closing process incorrectly retains a memory pointer, leaving an invalid reference to a file system structure. An attacker could exploit this vulnerability to cause grub to crash, leading to a Denial of Service. Possible data integrity or confidentiality compromise is not discarded.
Affected products7
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- GNU · grub2up to and including 2.14
- Red Hat · Red Hat Enterprise Linux 10Versions not stated
- Red Hat · Red Hat Enterprise Linux 7Versions not stated
- Red Hat · Red Hat Enterprise Linux 8Versions not stated
- Red Hat · Red Hat Enterprise Linux 9Versions not stated
- Red Hat · Red Hat OpenShift Container Platform 4Versions not stated
- Red Hat · Red Hat OpenShift Container Platform 4Versions not stated
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- GNU
- Published
- November 2025
CoverageNo articles yet
No CyberSIXT article names CVE-2025-54771 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.