Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: chardev: Fixed error handling in cdevdeviceadd. While performing fault injection tests, the following issue was reported: ------------ Cut here ------------ kobject: “null” 0000000039956980: Not initialized, yet kobjectput is bei...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: uacce: Fixed the handling of cdev in the cleanup path. When cdevdeviceadd fails, it internally releases the cdev memory. If cdevdevicedel is then executed, it will cause a hang error. To fix this issue, we check the return value ...

CVE-2026-53025

Summary of CVE-2026-53025 : The Linux kernel’s Greybus raw subsystem is affected by a use-after-free when a raw bundle is disconnected while its chardev remains open, leading to a kernel panic and potential DoS. The issue occurs because the cdev can be released after freeing memory, creating an i...

Linux kernel fs/char_dev.c Heap Buffer Overflow DoS

The vulnerability of the cdevdeviceadd function in the fs/chardev.c file of the Linux kernel file system is related to improper initialization of the resource. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected...

Linux Distros Unpatched Vulnerability : CVE-2026-23096

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - uacce: fix cdev handling in the cleanup path When cdevdeviceadd fails, it internally releases the cdev memory, and if cdevdevicedel is then executed, it will...

CVE-2026-23096: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: uacce: fix cdev handling in the cleanup path When cdevdeviceadd fails, it internally releases the cdev memory, and if cdevdevicedel is then executed, it will cause a hang error. To fix it, we check the return value of cdevdevicea...

DEBIAN-CVE-2022-50282

In the Linux kernel, the following vulnerability has been resolved: chardev: fix error handling in cdevdeviceadd While doing fault injection test, I got the following report: ------------ cut here ------------ kobject: 'null' 0000000039956980: is not initialized, yet kobjectput is being called...

CVE-2022-50282: Use of Uninitialized Resource

In the Linux kernel, the following vulnerability has been resolved: chardev: fix error handling in cdevdeviceadd While doing fault injection test, I got the following report: ------------ cut here ------------ kobject: 'null' 0000000039956980: is not initialized, yet kobjectput is being called...

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 mishandling of an error in the cdevdeviceadd function, which could result in a null pointer dereference...

GSD-2023-1001587 chardev: fix error handling in cdev_device_add()

chardev: fix error handling in cdevdeviceadd This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.9.337 by commit...