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In the Linux kernel, the following vulnerability has been resolved:
NFSv4: Fix a deadlock when recovering state on a sillyrenamed file
If the file is sillyrenamed, and slated for delete on close, it is possible for a server reboot to triggeer an open reclaim, with can again race with the application call to close(). When that happens, the call to put_nfs_open_context() can trigger a synchronous delegreturn call which deadlocks because it is not marked as privileged.
Instead, ensure that the call to nfs4_inode_return_delegation_on_close() catches the delegreturn, and schedules it asynchronously.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 23, 2026 | Jul 23, 2026 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Apr 1, 2025 |
| Suse | — | Upgrade kernel-default-vdsoUpgrade kernel-source-azureUpgrade kernel-64kbUpgrade kernel-azure-develUpgrade kernel-devel-azureUpgrade kernel-zfcpdumpUpgrade kernel-kvmsmallUpgrade kernel-obs-qaUpgrade kernel-kvmsmall-develUpgrade kernel-sourceUpgrade kernel-default-extraUpgrade kernel-default-develUpgrade kernel-macrosUpgrade kernel-develUpgrade kernel-azure-vdsoUpgrade kernel-docsUpgrade kernel-azure-extraUpgrade kernel-symsUpgrade kernel-default-livepatchUpgrade kernel-kvmsmall-vdsoUpgrade kernel-azureUpgrade kernel-64kb-develUpgrade kernel-source-vanillaUpgrade kernel-64kb-extraUpgrade kernel-docs-htmlUpgrade kernel-default | Dec 5, 2025 | Dec 5, 2025 |
| Ubuntu | — | Upgrade linux-image-6.11.0-1022-oemUpgrade linux-image-6.11.0-1015-gcpUpgrade linux-image-lowlatencyUpgrade linux-image-6.11.0-1015-gcp-64kUpgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-6.11.0-1016-oracleUpgrade linux-image-gcpUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-6.11.0-1015-azure-fdeUpgrade linux-image-6.11.0-1013-raspiUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.11.0-1014-lowlatency-64kUpgrade linux-image-6.11.0-1014-awsUpgrade linux-image-oracle-64kUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-virtualUpgrade linux-image-awsUpgrade linux-image-6.11.0-1010-realtimeUpgrade linux-image-oem-24.04bUpgrade linux-image-azure-fdeUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.11.0-1016-oracle-64kUpgrade linux-image-6.11.0-26-generic-64kUpgrade linux-image-6.11.0-1014-lowlatencyUpgrade linux-image-6.11.0-26-genericUpgrade linux-image-oracleUpgrade linux-image-genericUpgrade linux-image-realtimeUpgrade linux-image-raspiUpgrade linux-image-6.11.0-1015-azureUpgrade linux-image-azureUpgrade linux-image-generic-64kUpgrade linux-image-lowlatency-64kUpgrade linux-image-gcp-64k | May 21, 2025 | Apr 1, 2025 |
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