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CVE-2026-74730

Unknown

Last modified

CVE-2026-74730 is a vulnerability of currently unknown severity. 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..

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.

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009, < ed2f92ce2fc48463c41e0e540b9a3454889e8af8; >= 7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009, < d858ab09e787106432d4d9830bad9dfedf02f890; >= 7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009, < af62f1af182d33a0de38308c012841885d8ab92e; >= 7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009, < caee6a68ffaa5016dfc01cd0b3dc1896a32e3abd; >= 7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009, < ed1161ab6239761958b38d5667225634fc2be894; >= 7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009, < d71dfffa512e71b166a889484e4c3b148a9a3af2; >= 7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009, < 80ed3d762628b36c9e4b22fac7c65b72ef3b13dd; >= 7c1d5fae4a87d3cf3e9ffd68bcdbaf6529013009, < cf616096a0f3a2b60f7d68b6b39674a6867ded9c
LinuxLinux3.10

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-74730?
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.
How severe is CVE-2026-74730?
Severity scoring for CVE-2026-74730 is pending analysis.
How do I fix CVE-2026-74730?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST