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.

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.

EPSS: 0.001 (3.3th percentile) — read the EPSS interpretation.

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.

Affected products

Linux — versions b9f5dd57f4a52990963eeb1f1b58d00f717ece69, 6.12, 0
Linux Linux_kernel — versions 6.17

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

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.