CVE-2025-40255 net: core: prevent NULL deref in generic_hwtstamp_ioctl_lower()

In the Linux kernel, the following vulnerability has been resolved: net: core: prevent NULL deref in generichwtstampioctllower The ethtool tsconfig Netlink path can trigger a null pointer dereference. A call chain such as: tsconfigpreparedata - devgethwtstampphylib - vlanhwtstampget -...

CVE-2025-40255

The CVE-2025-40255 issue affects the Linux kernel where the Netlink path used by ethtool tsconfig could trigger a NULL pointer dereference in generic_hwtstamp_ioctl_lower(), if kernel_cfg->ifr is NULL. The vulnerability path shown in the documents is: net: core: prevent NULL deref in generic_h...

kernel security update

An update is available for kernel. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

Linux Distros Unpatched Vulnerability : CVE-2025-40255

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: core: prevent NULL deref in generichwtstampioctllower The ethtool tsconfig Netlink path can trigger a null pointer dereference. A call chain such as:...

RockyLinux 8 : kernel-rt (RLSA-2025:22387)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:22387 advisory. kernel: nfsd: handle getclientlocked failure in nfsd4setclientidconfirm CVE-2025-38724 kernel: smb: client: fix race with concurrent opens in rename2...

Linux kernel 安全漏洞

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 not rigorously validating the extensible ioctl, which could lead to privilege issues...

PT-2025-49085

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s networking subsystem related to hardware timestamping. Specifically, a null pointer dereference can occur within the generic hwtstamp ioctl lower...

RHEL 8 : kernel-rt (RHSA-2025:22387)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:22387 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

Vulnerability of the pkey_unlocked_ioctl() function in the drivers/s390/crypto/pkey_api.c module – This driver for cryptography on the S390 platform of the Linux operating system allows a hacker to gain access to protected information.

Vulnerability of the pkeyunlockedioctl function in the drivers/s390/crypto/pkeyapi.c module – The Linux kernel’s cryptography driver support on the S390 platform is vulnerable due to the use of memory after it is freed. Exploiting this vulnerability could allow an attacker to gain access to...

ROS-20251202-01

Vulnerability of the v3dperfmondestroyioctl function of the v3dperfmon.c component of the Linux operating system kernel is related to insufficient input data verification. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

ALSA-2025:22388 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: nfsd: handle getclientlocked failure in nfsd4setclientidconfirm CVE-2025-38724 kernel: smb: client: fix race with concurrent opens in rename2 CVE-2025-39825 kernel: mm/memory-failure: fix...

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

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. 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...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. 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...

kernel: nbd: fix incomplete validation of ioctl arg

A flaw has been found in the Linux kernel’s NBD drivers.The issue stems from incomplete validation of IOCTL arguments passed to the NBD driver. Specifically, oversized or unchecked arguments may lead to a signed integer overflow in blockwritefullpage and misuse of argument values cast to int in...

RHEL 9 : kernel-rt (RHSA-2025:22124)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:22124 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

Linux Distros Unpatched Vulnerability : CVE-2022-50570

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: platform/chrome: fix memory corruption in ioctl If smem.bytes is larger than the buffer size...

The vulnerability of the video_get_user() function in the drivers/media/v4l2-core/v4l2-ioctl.c file of the Linux kernel’s multimedia device support driver allows a hacker to gain access to protected information.

The vulnerability of the videogetuser function in the drivers/media/v4l2-core/v4l2-ioctl.c file of the Linux kernel’s multimedia device support driver module is related to the use of an uninitialized resource. Exploiting this vulnerability could allow an attacker to access protected information...

CVE-2025-47761

An Exposed IOCTL with Insufficient Access Control vulnerability CWE-782 vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0 through 7.2.9 may allow an authenticated local user to execute unauthorized code via fortips driver. Success of the attack would requi...

CVE-2025-47761

An Exposed IOCTL with Insufficient Access Control vulnerability CWE-782 vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0 through 7.2.9 may allow an authenticated local user to execute unauthorized code via fortips driver. Success of the attack would requi...

CVE-2025-47761

An Exposed IOCTL with Insufficient Access Control vulnerability CWE-782 vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0 through 7.2.9 may allow an authenticated local user to execute unauthorized code via fortips driver. Success of the attack would requi...