kernel: platform/x86: wmi: Fix opening of char device

In the Linux kernel, the following vulnerability has been resolved: platform/x86: wmi: Fix opening of char device Since commit fa1f68db6ca7 "drivers: misc: pass miscdevice pointer via file private data", the miscdevice stores a pointer to itself inside filp-privatedata, which means that privateda...

Ubuntu 20.04 LTS : Linux kernel (Azure) vulnerabilities (USN-6951-2)

"The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6951-2 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws i...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel (Oracle) vulnerabilities (USN-6953-1)

"The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6953-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

USN-6951-1: Linux kernel 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; - M68K architecture; - User-Mode Linux UML; - x86 architecture; - Accessibility subsystem; -...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-6951-1)

"The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6951-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

DEBIAN-CVE-2022-48862

In the Linux kernel, the following vulnerability has been resolved: vhost: fix hung thread due to erroneous iotlb entries In vhostiotlbaddrangectx, range size can overflow to 0 when start is 0 and last is ULONGMAX. One instance where it can happen is when userspace sends an IOTLB message with...

SUSE CVE-2024-38629

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Avoid unnecessary destruction of fileida fileida is allocated during cdev open and is freed accordingly during cdev release. This sequence is guaranteed by driver file operations. Therefore, there is no need to...

SUSE CVE-2022-48759

In the Linux kernel, the following vulnerability has been resolved: rpmsg: char: Fix race between the release of rpmsgctrldev and cdev struct rpmsgctrldev contains a struct cdev. The current code frees the rpmsgctrldev struct in rpmsgctrldevreleasedevice, but the cdev is a managed object, therefo...

UBUNTU-CVE-2024-38629

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Avoid unnecessary destruction of fileida fileida is allocated during cdev open and is freed accordingly during cdev release. This sequence is guaranteed by driver file operations. Therefore, there is no need to...

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 a contention between the rpmsg:char module rpmsgctrldev and the cdev release...

SUSE CVE-2024-36932

In the Linux kernel, the following vulnerability has been resolved: thermal/debugfs: Prevent use-after-free from occurring after cdev removal Since thermaldebugcdevremove does not run under cdev-lock, it can run in parallel with thermaldebugcdevstateupdate and it may free the struct thermaldebugf...

SUSE CVE-2024-36898

In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: fix uninitialised kfifo If a line is requested with debounce, and that results in debouncing in software, and the line is subsequently reconfigured to enable edge detection then the allocation of the kfifo to conta...

AZL-55548 CVE-2024-36899 affecting package kernel for versions less than 5.15.179.1-1

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 being closed by invoking gpiochrdevrelease, watchedlines is freed by bitmapfree, but the...

DEBIAN-CVE-2024-36899

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 being closed by invoking gpiochrdevrelease, watchedlines is freed by bitmapfree, but the...

UBUNTU-CVE-2024-36898

In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: fix uninitialised kfifo If a line is requested with debounce, and that results in debouncing in software, and the line is subsequently reconfigured to enable edge detection then the allocation of the kfifo to conta...

kernel: gpiolib: cdev: fix NULL-pointer dereferences

In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: fix NULL-pointer dereferences There are several places where we can crash the kernel by requesting lines, unbinding the GPIO device, then calling any of the system calls relevant to the GPIO character device's...

PT-2023-2676 · Linux +6 · Linux Kernel +6

Name of the Vulnerable Software and Affected Versions: Linux kernel version 6.2 Description: An issue in the Linux kernel is related to a divide-by-zero error in the do divsz, mtd-erasesize function, which is used indirectly by ctrl cdev ioctl, when mtd-erasesize is 0. This error is located in th...

SUSE CVE-2019-19537

In the Linux kernel before 5.2.10, there is a race condition bug that can be caused by a malicious USB device in the USB character device driver layer, aka CID-303911cfc5b9. This affects drivers/usb/core/file.c...

SUSE CVE-2020-0305

In cdevget of chardev.c, there is a possible use-after-free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-153467744...

SUSE CVE-2021-29266

An issue was discovered in the Linux kernel before 5.11.9. drivers/vhost/vdpa.c has a use-after-free because v-configctx has an invalid value upon re-opening a character device, aka CID-f6bbf0010ba0...