Vulnerability in Linux

CVE-2025-39912

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.001 (3.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-39912: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

  • Linux — versions b9f5dd57f4a52990963eeb1f1b58d00f717ece69, 6.12, 0
  • Linux Kernel — versions 6.17

References

Frequently asked questions

What is CVE-2025-39912?
CVE-2025-39912 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2025-10-01.
How severe is CVE-2025-39912?
Medium severity. CVSS v3 base score is 5.5 out of 10.