gpiolib: cdev: fix uninitialised kfifo

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SUSE 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...

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 properly checking the pf-cdevinfo pointer, which could result in a null pointer dereference...

Linux Distros Unpatched Vulnerability : CVE-2022-50282

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - chardev: fix error handling in cdevdeviceadd While doing fault injection test, I got the following report: ------------ cut here ------------ kobject: 'null'...

CVE-2023-53234

The CVE-2023-53234 entry relates to the Linux kernel watchdog subsystem. The attached description and connected Nessus advisories confirm a root-cause: put_device is not called in all code paths when cdev_device_add fails and wdd->id != 0, leading to leaks in watchdog_dev_register paths. The f...

CVE-2022-50282 chardev: fix error handling in cdev_device_add()

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-2022-50245

In the Linux kernel, the following vulnerability has been resolved: rapidio: fix possible UAF when kfifoalloc fails If kfifoalloc fails in mportcdevopen, goto errfifo and just free priv. But priv is still in the chdev-filelist, then list traversal may cause UAF. This fixes the following smatch...

DEBIAN-CVE-2022-50245

In the Linux kernel, the following vulnerability has been resolved: rapidio: fix possible UAF when kfifoalloc fails If kfifoalloc fails in mportcdevopen, goto errfifo and just free priv. But priv is still in the chdev-filelist, then list traversal may cause UAF. This fixes the following smatch...

UBUNTU-CVE-2022-50245

In the Linux kernel, the following vulnerability has been resolved: rapidio: fix possible UAF when kfifoalloc fails If kfifoalloc fails in mportcdevopen, goto errfifo and just free priv. But priv is still in the chdev-filelist, then list traversal may cause UAF. This fixes the following smatch...

CVE-2022-50245

CVE-2022-50245 concerns a Linux kernel issue in the rapidio driver where a UAF can occur if kfifo_alloc() fails during mport_cdev_open(). The fix removes priv from the chdev->file_list before freeing it to prevent traversal from accessing a freed object (the smatch warning reference). Affected...

PT-2025-37675

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contains a memory leak in the watchdog cdev register function. The issue occurs because put device is not called when cdev device add fails and wdd-id is not equal to ...

CVE-2025-36902

In CVE-2025-36902, the vulnerable component is syna_tcm2_sysfs.c, specifically the syna_cdev_ioctl_store_pid() function. It reports a heap buffer overflow causing an out-of-bounds write, which could enable local escalation of privilege with System execution privileges required. Exploitation requi...

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 an improper release of cdev-osdescreq in the configfscompositebind function, which could lead to post-releas...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: Fix use-after-free in lineinfochangednotify The use-after-free issue occurs as follows: When the GPIO chip device file is closed by invoking gpiochrdevrelease, the watchedlines object is freed by bitmapfree. Howeve...

CVE-2021-39733

In amcscdevunlockedioctl of audiometrics.c, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android...

SUSE CVE-2022-49422

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix the error handling path in idxdcdevregister If a call to allocchrdevregion fails, the already allocated resources are leaking. Add the needed error handling path to fix the leak...

DEBIAN-CVE-2021-47634

In the Linux kernel, the following vulnerability has been resolved: ubi: Fix race condition between ctrlcdevioctl and ubicdevioctl Hulk Robot reported a KASAN report about use-after-free: ================================================================== BUG: KASAN: use-after-free in...

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 a race condition between ctrlcdevioctl and ubicdevioctl...

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 an incorrectly handled path in idxdcdevregister that results in resource consumption...

Security update for the Linux Kernel (Live Patch 11 for SLE 15 SP5)

This update for the Linux Kernel 5.14.21-1505005552 fixes several issues. The following security issues were fixed: CVE-2024-35905: Fixed int overflow for stack access size bsc1226327. CVE-2021-47598: schcake: do not call cakedestroy from cakeinit bsc1227471. CVE-2024-35863: Fixed potential UAF i...