CVE-2023-54305

CVE-2023-54305 is a security vulnerability that is still awaiting full analysis and scoring. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

In the Linux kernel, the following vulnerability has been resolved: ext4: refuse to create ea block when umounted The ea block expansion need to access s_root while it is already set as NULL when umount is triggered. Refuse this request to avoid panic.

Frequently asked questions

What is CVE-2023-54305?
In the Linux kernel, the following vulnerability has been resolved: ext4: refuse to create ea block when umounted The ea block expansion need to access s_root while it is already set as NULL when umount is triggered. Refuse this request to avoid panic.
Is CVE-2023-54305 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-54305?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-54305 have an EU (EUVD) identifier?
Yes. CVE-2023-54305 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60499.
When was CVE-2023-54305 published?
CVE-2023-54305 was published on 2025-12-30 and last updated on 2026-06-17.

References