Improper Check for Unusual or Exceptional Conditions in Linux kernel - CVE-2026-93257
Published: September 25, 2026
Vulnerability identifier: #VU152140
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-93257
CWE-ID: CWE-754
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper validation of BIP_CHECK flags in the fs-integrity metadata handling functions when processing non-PI metadata with nogenerate or noverify flags. A local user can trigger integrity metadata generation or verification to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-93257
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3