CVE-2025-40212

CVE-2025-40212 (Linux kernel) : A refcount leak in nfsd_set_fh_dentry() can occur when a v3/v2 client uses a filehandle from the NFSv4 “pseudo root filesystem.” The kernel may store the export in a svc_fh and drop a reference later (exp_put()), causing an extra reference to be freed on fh_put(), ...

CVE-2025-40212 nfsd: fix refcount leak in nfsd_set_fh_dentry()

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix refcount leak in nfsdsetfhdentry nfsd exports a "pseudo root filesystem" which is used by NFSv4 to find the various exported filesystems using LOOKUP requests from a known root filehandle. NFSv3 uses the MOUNT protocol ...

PT-2025-47906

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Network File System daemon nfsd in the Linux kernel contains a flaw related to reference counting in the nfsd set fh dentry function. Specifically, when an NFSv3 or NFSv2 client uses...