Improper Check for Unusual or Exceptional Conditions in Linux kernel - CVE-2026-98250
Published: October 15, 2026
Vulnerability identifier: #VU155942
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-98250
CWE-ID: CWE-754
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to trigger pNFS layout initialization for exports without pNFS enabled.
The vulnerability exists due to a missing NFSEXP_PNFS flag check in the nfsd netlink export configuration code when processing export configuration. A local user can submit an export configuration without the NFSEXP_PNFS flag to trigger pNFS layout initialization for exports without pNFS enabled.
Affected software
Linux kernel
How to mitigate CVE-2026-98250
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3