Race condition

A race condition in the Linux kernel before 5.6.2 between the VTDISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free...

CVE-2020-36557: Concurrent Execution using Shared Resource with Improper Synchronization

A race condition in the Linux kernel before 5.6.2 between the VTDISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free...

CVE-2021-33656

When setting font with malicous data by ioctl cmd PIOFONT,kernel will write memory out of bounds...

DEBIAN-CVE-2021-33655

When sending malicous data to kernel by ioctl cmd FBIOPUTVSCREENINFO,kernel will write memory out of bounds...

CVE-2021-33655

When sending malicous data to kernel by ioctl cmd FBIOPUTVSCREENINFO,kernel will write memory out of bounds...

AZL-10616 CVE-2021-33655 affecting package kernel for versions less than 5.15.67.1-4

When sending malicous data to kernel by ioctl cmd FBIOPUTVSCREENINFO,kernel will write memory out of bounds...

CVE-2021-33655

When sending malicous data to kernel by ioctl cmd FBIOPUTVSCREENINFO,kernel will write memory out of bounds...

CVE-2021-33656

When setting font with malicous data by ioctl cmd PIOFONT,kernel will write memory out of bounds...

UBUNTU-CVE-2021-33655

When sending malicous data to kernel by ioctl cmd FBIOPUTVSCREENINFO,kernel will write memory out of bounds...

CVE-2021-33655

When sending malicous data to kernel by ioctl cmd FBIOPUTVSCREENINFO,kernel will write memory out of bounds...

CVE-2021-33655

When sending malicous data to kernel by ioctl cmd FBIOPUTVSCREENINFO,kernel will write memory out of bounds...

CVE-2021-33655

When sending malicous data to kernel by ioctl cmd FBIOPUTVSCREENINFO,kernel will write memory out of bounds...

CVE-2021-33655

When sending malicous data to kernel by ioctl cmd FBIOPUTVSCREENINFO,kernel will write memory out of bounds...

CVE-2021-33656

When setting font with malicous data by ioctl cmd PIOFONT,kernel will write memory out of bounds...

CVE-2021-33656

When setting font with malicous data by ioctl cmd PIOFONT,kernel will write memory out of bounds...

Linux Kernel Buffer Overflow Vulnerability

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 openEuler-22.03-LTS, which originates from an out-of-bounds kernel write to memory when a font with malicious data is set vi...

CVE-2021-33655: Out-of-bounds Write

When sending malicous data to kernel by ioctl cmd FBIOPUTVSCREENINFO,kernel will write memory out of bounds...

CVE-2021-33656: Out-of-bounds Write

When setting font with malicous data by ioctl cmd PIOFONT,kernel will write memory out of bounds...

OESA-2022-1748 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: Using the ioctl function to modify the vcfont.height value through PIOFONT can cause the KASAN: vmalloc-out-of-bounds in sysimageblit problem. Requires tty group permissions to access the device file /dev/tty1.CVE-2021-33656...

PT-2025-54120

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the DRM subsystem where the drm copy field function may attempt to copy a NULL pointer. This occurs when a driver has a bug and fails to set...