Expired Pointer Dereference Affecting grub2 package, versions [,2.14)
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
CVE-2025-54770 (opens in a new tab)How to fix?
Upgrade grub2 to version 2.14 or higher.
Overview
Affected versions of this package are vulnerable to Expired Pointer Dereference via the net_set_vlan function when the network module is unloaded from memory. An attacker can cause system instability and potentially crash the system by executing the affected command after the module has been unloaded.