Expired Pointer Dereference Affecting grub2 package, versions [grub-2.14-rc1,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published20 Nov 2025
- disclosed18 Nov 2025
- creditUnknown
Introduced: 18 Nov 2025
NewCVE-2025-54771 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Expired Pointer Dereference via file-closing operations. An attacker can cause system instability, crash the bootloader, or potentially compromise data integrity and confidentiality by triggering the use of a previously freed memory pointer after file closure.