Race condition in Linux kernel - CVE-2026-92500

 

Race condition in Linux kernel - CVE-2026-92500

Published: September 18, 2026


Vulnerability identifier: #VU151017
CSH Severity: Low
CVSS v4: 5.8 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-92500
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to cause a denial of service or data loss.

The vulnerability exists due to a race condition in ext4 inline-data write handling when a concurrent page fault converts inline data to an extent between write preparation and completion. A local user can perform a buffered write that races with inline-data conversion to cause a denial of service or data loss.


Affected software

Linux kernel

How to mitigate CVE-2026-92500

Install security update from vendor's repository.


External References

Related Security Bulletins