Threats Tagged 'cve-2026-89661'
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Threats Tagged 'cve-2026-89661'
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A use-after-free vulnerability in the Linux kernel's NFSD component was resolved. The issue occurs when writing to /proc/fs/nfsd/unlock_filesystem after the NFS server has shut down, leading to access of freed memory. This can be triggered by a local administrator with CAP_SYS_ADMIN privileges. The fix involves moving the asynchronous copy cancel operation under a mutex lock that confirms the server is running, preventing access to freed structures. Join the discussion | GCVE Database | 09/11/2026, 21:31:35 UTC Added: 09/12/2026, 00:42:45 UTC |
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