CVE-2025-39912: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: nfs/localio: restore creds before releasing pageio data Otherwise if the nfsd filecache code releases the nfsd_file immediately, it can trigger the BUG_ON(cred == current->cred) in __put_cred() when it puts the nfsd_file->nf_file->f-cred.

Affected products

• Linux Linux Kernel: from 6.12, before 6.12.48 (fixed in 6.12.48); from 6.13, before 6.16.8 (fixed in 6.16.8); version 6.17 only

Published 2025-10-01. Last modified 2026-06-17.