CVE-2023-53861

CVE-2023-53861 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: correct grp validation in ext4_mb_good_group Group corruption check will access memory of grp and will trigger kernel crash if grp is NULL. So do NULL check before corruption check.

Frequently asked questions

What is CVE-2023-53861?
In the Linux kernel, the following vulnerability has been resolved: ext4: correct grp validation in ext4_mb_good_group Group corruption check will access memory of grp and will trigger kernel crash if grp is NULL. So do NULL check before corruption check.
Is CVE-2023-53861 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-53861?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-53861 have an EU (EUVD) identifier?
Yes. CVE-2023-53861 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60135.
When was CVE-2023-53861 published?
CVE-2023-53861 was published on 2025-12-09 and last updated on 2026-06-17.

References