USN-7835-4: Linux kernel (HWE) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

NFSD: Define a proc_layoutcommit for the FlexFiles layout type

...

SUSE 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...

U-Boot net/nfs.c Heap Buffer Overflow DoS

The vulnerability of the nfslookupreply function in the net/nfs.c component of the U-Boot loader is related to buffer overflow attacks. Exploiting this vulnerability allows an attacker to gain access to confidential data, compromise its integrity, and cause service failures...

U-Boot net/nfs.c Heap Buffer Overflow DoS

The vulnerability of the nfsmountreply function in the net/nfs.c component of the U-Boot loader is related to buffer overflow attacks. Exploiting this vulnerability allows an attacker to gain access to confidential data, compromise its integrity, and cause service failures...

U-Boot rpc_lookupreply Buffer Overflow DoS

The vulnerability of the rpclookupreply function in the net/nfs.c component of the U-Boot loader is related to buffer out-of-buffer writing. Exploiting this vulnerability allows a remote attacker to access confidential data, compromise its integrity, and cause service failures...

U-Boot net/nfs.c Heap Buffer Overflow DoS

The vulnerability of the nfslookupreply function in the net/nfs.c component of the U-Boot loader is related to buffer overflow attacks. Exploiting this vulnerability allows an attacker to gain access to confidential data, compromise its integrity, and cause service failures...

U-Boot net/nfs.c Heap Buffer Overflow DoS

The vulnerability of the nfsreadreply function in the net/nfs.c component of the U-Boot loader is related to reading data beyond the allowable buffer size. Exploiting this vulnerability allows an attacker to gain access to confidential data and also cause service failures...

U-Boot net/nfs.c Heap Buffer Overflow DoS

The vulnerability of the nfsumountallreply function in the net/nfs.c component of the U-Boot loader is related to buffer overflow attacks. Exploiting this vulnerability allows an attacker to gain access to confidential data, compromise its integrity, and cause service failures...

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...

CVE-2025-40087

CVE-2025-40087 affects the Linux kernel’s NFS server component (NFSD) with the FlexFiles layout. The connected sources confirm the root cause as the need to define a proc_layoutcommit for the FlexFiles layout type to prevent a crash when a pNFS client issues a LAYOUTCOMMIT on FlexFiles. The entry...

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...

CVE-2025-40087 NFSD: Define a proc_layoutcommit for the FlexFiles layout type

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...

kernel: NFS: Fix filehandle bounds checking in nfs_fh_to_dentry()

A flaw out of boundary read in the Linux kernel NFS functionality was found in the way connected user sends malicious data to the server. A remote user could use this flaw to crash the system...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 10. 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 for each vulnerability from th...

kernel: NFS: Fix filehandle bounds checking in nfs_fh_to_dentry()

A flaw out of boundary read in the Linux kernel NFS functionality was found in the way connected user sends malicious data to the server. A remote user could use this flaw to crash the system...

Siemens SIMATIC Devices Unchecked Error Condition (CVE-2024-36939)

In the Linux kernel, the following vulnerability has been resolved: nfs: Handle error of rpcprocregister in nfsnetinit. syzkaller reported a warning 0 triggered while destroying immature netns. rpcprocregister was called in initnfsfs, but its error has been ignored since at least the initial comm...

Siemens SIMATIC Devices Improper Input Validation (CVE-2025-21795)

NFSD: hang in nfsd4shutdowncallback. If nfs4client is in courtesy state then there is no point to send the callback. This causes nfsd4shutdowncallback to hang since clcbinflight is not 0. This hang lasts about 15 minutes until TCP notifies NFSD that the connection was dropped. This plugin only...

Siemens SIMATIC Devices Use After Free (CVE-2024-26958)

In the Linux kernel, the following vulnerability has been resolved: nfs: fix UAF in direct writes This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description...

Linux Distros Unpatched Vulnerability : CVE-2023-53711

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a potential data corruption We must ensure that the subrequests are joined back int...