CVE-2026-98120: netfs: Fix subreq ref leak
Published Sep 25, 2026
·Updated
In the Linux kernel, the following vulnerability has been resolved:
netfs: Fix subreq ref leak
Fix a subrequest ref leak in netfsunbufferedwrite() in the event that subreq->ioiter ends up zero length during preparation.
Affected Software
1 affected component
Linux Linux kernel
Event History
Sep 25, 2026
CVE Published
via MITRE·10:36 AM
Data Sourced
via MITRE·10:36 AM
Description
Data Sourced
via NVD·11:17 AM
Description
Frequently Asked Questions
1
Under what condition does the reference leak occur?
The leak occurs in netfs_unbuffered_write() when a subrequest's io_iter becomes zero length during preparation.
2
What is the immediate mitigation if an update cannot be applied?
No workaround or configuration-based mitigation is provided in the available information.
3
How can administrators determine whether their kernel includes the fix?
The available information identifies three stable kernel commit references for the fix, but does not provide affected or fixed kernel version numbers.