kernel: uio: Fix use-after-free in uio_open

A flaw was found in the Linux kernel’s uio subsystem. A use-after-free memory flaw in the uioopen functionality allows a local user to crash or escalate their privileges on the system...

kernel: uio: Fix use-after-free in uio_open

A flaw was found in the Linux kernel’s uio subsystem. A use-after-free memory flaw in the uioopen functionality allows a local user to crash or escalate their privileges on the system...

Ubuntu 20.04 LTS : Linux kernel (Xilinx ZynqMP) vulnerabilities (USN-6726-3)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6726-3 advisory. Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request, leading to a...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-6726-1)

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-6726-1 advisory. Pratyush Yadav discovered that the Xen network backend implementation in the Linux kernel did not properly handle zero length data request,...

CVE-2023-52439

In the Linux kernel, the following vulnerability has been resolved: uio: Fix use-after-free in uioopen core-1 core-2 ------------------------------------------------------- uiounregisterdevice uioopen idev = idrfind deviceunregister&idev-dev putdevice&idev-dev uiodevicerelease getdevice&idev-dev...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: uio: Fix use-after-free in uioopen core-1 core-2 ------------------------------------------------------- uiounregisterdevice uioopen idev = idrfind deviceunregister&idev-dev putdevice&idev-dev uiodevicerelease getdevice&idev-dev...

CVE-2023-52439 uio: Fix use-after-free in uio_open

In the Linux kernel, the following vulnerability has been resolved: uio: Fix use-after-free in uioopen core-1 core-2 ------------------------------------------------------- uiounregisterdevice uioopen idev = idrfind deviceunregister&idev-dev putdevice&idev-dev uiodevicerelease getdevice&idev-dev...

CVE-2023-52439 uio: Fix use-after-free in uio_open

In the Linux kernel, the following vulnerability has been resolved: uio: Fix use-after-free in uioopen core-1 core-2 ------------------------------------------------------- uiounregisterdevice uioopen idev = idrfind deviceunregister&idev-dev putdevice&idev-dev uiodevicerelease getdevice&idev-dev...

CVE-2023-52439

CVE-2023-52439 is a Linux kernel UIO subsystem use-after-free vulnerability. The issue occurs in a race between core-1 (uio_unregister_device) and core-2 (uio_open) where device_unregister frees idev, then core-2 may still access idev, leading to use-after-free and potential double free of idev v...

CVE-2023-52439 uio: Fix use-after-free in uio_open

In the Linux kernel, the following vulnerability has been resolved: uio: Fix use-after-free in uioopen core-1 core-2 ------------------------------------------------------- uiounregisterdevice uioopen idev = idrfind deviceunregister&idev-dev putdevice&idev-dev uiodevicerelease getdevice&idev-dev...