Bug 2413823 (CVE-2025-54771) - CVE-2025-54771 grub2: Use-after-free in grub_file_close()
Summary: CVE-2025-54771 grub2: Use-after-free in grub_file_close()
Keywords:
Status: NEW
Alias: CVE-2025-54771
Deadline: 2025-11-18
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-11-10 19:49 UTC by OSIDB Bzimport
Modified: 2025-11-18 18:14 UTC (History)
1 user (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description OSIDB Bzimport 2025-11-10 19:49:05 UTC
When closing a file the grub_file_close() misses to dereference the filesystem structure leading to possible invalid reference to the file->fs->mod pointer. It may lead to a use-after-free vulnerability.


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