CVE-2026-89680High· 7.5▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: nfsd: fix nfsd_file leak on inter-server COPY setup failure When nfsd4_setup_inter_ssc() fails, nfsd4_copy() returns nfserr_offload_denied directly, bypassing the out:…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.2%
— → 5.3
— → 7.5
none → high
7.5 → 5.3
high → medium
5.3 → 7.5
medium → high
7.5 → 5.3
high → medium
5.3 → 7
medium → high
0.2% → 0.7%
7 → 7.5
Last analysed / modified upstream
In the Linux kernel, the following vulnerability has been resolved:
nfsd: fix nfsd_file leak on inter-server COPY setup failure
When nfsd4_setup_inter_ssc() fails, nfsd4_copy() returns nfserr_offload_denied directly, bypassing the out: label where release_copy_files() would drop the nf_dst reference taken by nfs4_preprocess_stateid_op(). Each failed inter-server COPY leaks one nfsd_file, pinning file/inode/dentry/vfsmount.
Fix by setting status and jumping to out: instead of returning directly.
Linux >= ce0887ac96d35c7105090e166bb0807dc0a0e838 < ab949252fdf102ae74329a0caa7995a849d0dafaLinux >= ce0887ac96d35c7105090e166bb0807dc0a0e838 < 1a6a41b848455bf6ba2c9da2dfb0730e608ce7abLinux >= ce0887ac96d35c7105090e166bb0807dc0a0e838 < 424d5c95108a4809b832cb0a312c61de4aec0078Linux >= ce0887ac96d35c7105090e166bb0807dc0a0e838 < 6ed8d6de7ec90c4ba84eb82673058f506e5777fdLinux >= ce0887ac96d35c7105090e166bb0807dc0a0e838 < 88a76145451d703eedd867b5989bf73d17340399Linux 5.6Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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