fs/nfs/read: fix double-unlock bug in nfs_return_empty_folio()

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AZL-64911 CVE-2025-38338 affecting package kernel for versions less than 6.6.96.1-1

In the Linux kernel, the following vulnerability has been resolved: fs/nfs/read: fix double-unlock bug in nfsreturnemptyfolio Sometimes, when a file was read while it was being truncated by another NFS client, the kernel could deadlock because foliounlock was called twice, and the second call wou...

CVE-2025-38338

CVE-2025-38338 is a Linux kernel vulnerability affecting NFS read paths. A double-unlock in fs/nfs/read during truncation can cause a deadlock because folio_unlock() may be called twice, incorrectly clearing the PG_locked flag. This can lead to warnings in netfs_read_collection or to processes wa...

CVE-2025-38338

In the Linux kernel, the following vulnerability has been resolved: fs/nfs/read: fix double-unlock bug in nfsreturnemptyfolio Sometimes, when a file was read while it was being truncated by another NFS client, the kernel could deadlock because foliounlock was called twice, and the second call wou...

CVE-2025-38338 fs/nfs/read: fix double-unlock bug in nfs_return_empty_folio()

In the Linux kernel, the following vulnerability has been resolved: fs/nfs/read: fix double-unlock bug in nfsreturnemptyfolio Sometimes, when a file was read while it was being truncated by another NFS client, the kernel could deadlock because foliounlock was called twice, and the second call wou...