Medium 5.5Published Oct 1, 2025

CVE-2025-39912nfs/localio: restore creds before releasing pageio data

Updated under an hour ago (Oct 28, 2026, 6:00 AM ET)

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Exploited in the last 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.

CVSS: 5.5 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 19, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from b9f5dd57f4a52990963eeb1f1b58d00f717ece69 before 57c1bb02b4fc8eec6eb01736e7fad26dffacf18c; from b9f5dd57f4a52990963eeb1f1b58d00f717ece69 before c250be1d75bf80dc5ab46f0b434b746c1868a1ea; from b9f5dd57f4a52990963eeb1f1b58d00f717ece69 before 992203a1fba51b025c60ec0c8b0d9223343dea95	CNA record
linux linux_kernel linux:linux_kernel	from 6.12 before 6.12.48; from 6.13 before 6.16.8; 6.17; 6.17; 6.17; 6.17; 6.17	NVD

References

References

https://git.kernel.org/stable/c/57c1bb02b4fc8eec6eb01736e7fad26dffacf18c	patch
https://git.kernel.org/stable/c/c250be1d75bf80dc5ab46f0b434b746c1868a1ea	patch
https://git.kernel.org/stable/c/992203a1fba51b025c60ec0c8b0d9223343dea95	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.