nfsd: fix nfsd_file leak on inter-server COPY setup failure

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-89680
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-11 20:19:54 UTC
Updated2026-09-11 20:19:54 UTC
DescriptionIn 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.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected ce0887ac96d35c7105090e166bb0807dc0a0e838 1a6a41b848455bf6ba2c9da2dfb0730e608ce7ab git Not specified
CNA Linux Linux affected ce0887ac96d35c7105090e166bb0807dc0a0e838 424d5c95108a4809b832cb0a312c61de4aec0078 git Not specified
CNA Linux Linux affected ce0887ac96d35c7105090e166bb0807dc0a0e838 6ed8d6de7ec90c4ba84eb82673058f506e5777fd git Not specified
CNA Linux Linux affected ce0887ac96d35c7105090e166bb0807dc0a0e838 88a76145451d703eedd867b5989bf73d17340399 git Not specified
CNA Linux Linux affected 5.6 Not specified
CNA Linux Linux unaffected 5.6 semver Not specified
CNA Linux Linux unaffected 6.12.109 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.50 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.4 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/88a76145451d703eedd867b5989bf73d17340399 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/1a6a41b848455bf6ba2c9da2dfb0730e608ce7ab 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/6ed8d6de7ec90c4ba84eb82673058f506e5777fd 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/424d5c95108a4809b832cb0a312c61de4aec0078 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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