CVE-2023-54264

CVE-2023-54264 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: fs/sysv: Null check to prevent null-ptr-deref bug sb_getblk(inode->i_sb, parent) return a null ptr and taking lock on that leads to the null-ptr-deref bug.

Frequently asked questions

What is CVE-2023-54264?
In the Linux kernel, the following vulnerability has been resolved: fs/sysv: Null check to prevent null-ptr-deref bug sb_getblk(inode->i_sb, parent) return a null ptr and taking lock on that leads to the null-ptr-deref bug.
Is CVE-2023-54264 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-2023-54264?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-54264 have an EU (EUVD) identifier?
Yes. CVE-2023-54264 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60377.
When was CVE-2023-54264 published?
CVE-2023-54264 was published on 2025-12-30 and last updated on 2026-06-17.

References