fuse: re-lock request before returning from fuse_ref_folio()

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Linux kernel Heap Buffer Overflow DoS

The vulnerability of the ubifsreleasefolio function in the fs/ubifs/file.c module of the Linux kernel’s file system is related to copying buffers without checking their size a classic buffer overflow attack. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2026-23053

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a deadlock involving nfsreleasefolio Wang Zhaolong reports a deadlock involving NFSv4.1 state recovery waiting on kthreadd, which is attempting to reclaim memory by calling nfsreleasefolio. The latter cannot make progres...

UBUNTU-CVE-2025-39878

In the Linux kernel, the following vulnerability has been resolved: ceph: fix crash after fscryptencryptpagecacheblocks error The function movedirtyfolioinpagearray was created by commit ce80b76dd327 "ceph: introduce cephprocessfoliobatch method" by moving code from cephwritepagesstart to this...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from gfs2metaaops not implementing the migratefolio function, which could result in an abnormal migration functio...