EUVD-2025-198647

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 ...

CVE-2025-40212

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 ...

Linux Distros Unpatched Vulnerability : CVE-2025-40212

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

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...

kernel: nfsd: don't ignore the return code of svc_proc_register()

In the Linux kernel, the following vulnerability has been resolved: nfsd: don't ignore the return code of svcprocregister Currently, nfsdprocstatinit ignores the return value of svcprocregister. If the procfile creation fails, then the kernel will WARN when it tries to remove the entry later. Fix...

RHEL 8 : kernel (RHSA-2025:21667)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:21667 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: nfsd: don't ignore the return...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available f...

kernel: nfsd: clear acl_access/acl_default after releasing them

In the Linux kernel, the following vulnerability has been resolved: nfsd: clear aclaccess/acldefault after releasing them If getting acldefault fails, aclaccess and acldefault will be released simultaneously. However, aclaccess will still retain a pointer pointing to the released posixacl, which...

kernel: nfsd: release svc_expkey/svc_export with rcu_work

In the Linux kernel, the following vulnerability has been resolved: nfsd: release svcexpkey/svcexport with rcuwork The last reference for cachehead can be reduced to zero in cshow and eshowusing rcureadlock and rcureadunlock. Consequently, svcexportput and expkeyput will be invoked, leading to tw...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990508)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990508 advisory. In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent a potential integer overflow If the tag length is = U32MAX - 3 then the length + 4...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989814)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989814 advisory. In the Linux kernel, the following vulnerability has been resolved: nfsd: Fix nsfd startup race again Commit bd5ae9288d64 nfsd: register pernet ops last, unregister...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990287)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990287 advisory. In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent a potential integer overflow If the tag length is = U32MAX - 3 then the length + 4...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989690)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989690 advisory. In the Linux kernel, the following vulnerability has been resolved: nfsd: fix use-after-free due to delegation race A delegation break could arrive as soon as we've...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989608)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989608 advisory. In the Linux kernel, the following vulnerability has been resolved: NFSD: Fix iasize underflow iattr::iasize is a lofft, which is a signed 64-bit type. NFSv3 and NFS...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990363)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990363 advisory. In the Linux kernel, the following vulnerability has been resolved: nfsd: fix nfs4openowner leak when concurrent nfsd4open occur The action force umountumount -f wil...

Unity Linux 20.1050e Security Update: kernel (UTSA-2025-990001)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990001 advisory. In the Linux kernel, the following vulnerability has been resolved: NFSD: prevent integer overflow on 32 bit systems On a 32 bit system, the len sizeofp operation ca...

UBUNTU-CVE-2025-40087

In the Linux kernel, the following vulnerability has been resolved: NFSD: Define a proclayoutcommit for the FlexFiles layout type Avoid a crash if a pNFS client should happen to send a LAYOUTCOMMIT operation on a FlexFiles layout...

Linux Distros Unpatched Vulnerability : CVE-2025-40087

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NFSD: Define a proclayoutcommit for the FlexFiles layout type Avoid a crash if a pNFS client should happen to send a LAYOUTCOMMIT operation on a FlexFiles layou...

Siemens SIMATIC Devices Use After Free (CVE-2024-50121)

nfsd: problematic nfsdshrinkerwork using sync mode in nfs4stateshutdownnet. In the normal case, when we excute echo 0 /proc/fs/nfsd/threads, the function nfs4statedestroynet in nfs4stateshutdownnet will release all resources related to the hashed nfs4client. This plugin only works with Tenable.ot...

Siemens SIMATIC Devices Incorrect Calculation of Buffer Size (CVE-2022-43945)

The Linux kernel NFSD implementation prior to versions 5.19.17 and 6.0.2 are vulnerable to buffer overflow. NFSD tracks the number of pages held by each NFSD thread by combining the receive and send buffers of a remote procedure call RPC into a single array of pages. A client can force the send...