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VULNERABILITIES

CVE-2026-74730 Details

Description

In the Linux kernel, the following vulnerability has been resolved: NFS: Pin the 'struct nfs_server' during a FREE_STATEID call Dan Aloni reports that he was able to hit a use-after-free bug if a FREE_STATEID operation gets delayed for whatever reason. Fix this by bumping the refcount of the 'struct nfs_server' object for the duration of the FREE_STATEID so it doesn't get cleaned up from underneath us while operations are still in flight.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: kernel.orgCVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/80ed3d762628b36c9e4b22fac7c65b72ef3b13dd kernel.org
https://git.kernel.org/stable/c/af62f1af182d33a0de38308c012841885d8ab92e kernel.org
https://git.kernel.org/stable/c/caee6a68ffaa5016dfc01cd0b3dc1896a32e3abd kernel.org
https://git.kernel.org/stable/c/cf616096a0f3a2b60f7d68b6b39674a6867ded9c kernel.org
https://git.kernel.org/stable/c/d71dfffa512e71b166a889484e4c3b148a9a3af2 kernel.org

see all 8 references

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-74730
NVD Published Date:
Aug 22, 2026
NVD Last Modified:
Aug 25, 2026
Source:
kernel.org
CVE-2026-74730 Details - Not Deferred