UBUNTU-CVE-2022-50222

In the Linux kernel, the following vulnerability has been resolved: tty: vt: initialize unicode screen buffer syzbot reports kernel infoleak at vcsread 1, for buffer can be read immediately after resize operation. Initialize buffer using kzalloc. ---------- include include include include int...

UBUNTU-CVE-2022-50099

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: arkfb: Check the size of screen before memsetio In the function arkfbsetpar, the value of 'screensize' is calculated by the user input. If the user provides the improper value, the value of 'screensize' may larger...

CVE-2022-50222 tty: vt: initialize unicode screen buffer

In the Linux kernel, the following vulnerability has been resolved: tty: vt: initialize unicode screen buffer syzbot reports kernel infoleak at vcsread 1, for buffer can be read immediately after resize operation. Initialize buffer using kzalloc. ---------- include include include include int...

CVE-2022-50222

In the Linux kernel, the following vulnerability has been resolved: tty: vt: initialize unicode screen buffer syzbot reports kernel infoleak at vcsread 1, for buffer can be read immediately after resize operation. Initialize buffer using kzalloc. ---------- include include include include int...

CVE-2022-50221 drm/fb-helper: Fix out-of-bounds access

In the Linux kernel, the following vulnerability has been resolved: drm/fb-helper: Fix out-of-bounds access Clip memory range to screen-buffer size to avoid out-of-bounds access in fbdev deferred I/O's damage handling. Fbdev's deferred I/O can only track pages. From the range of pages, the damage...

CVE-2022-50221 drm/fb-helper: Fix out-of-bounds access

In the Linux kernel, the following vulnerability has been resolved: drm/fb-helper: Fix out-of-bounds access Clip memory range to screen-buffer size to avoid out-of-bounds access in fbdev deferred I/O's damage handling. Fbdev's deferred I/O can only track pages. From the range of pages, the damage...

CVE-2022-50101 video: fbdev: vt8623fb: Check the size of screen before memset_io()

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: vt8623fb: Check the size of screen before memsetio In the function vt8623fbsetpar, the value of 'screensize' is calculated by the user input. If the user provides the improper value, the value of 'screensize' may...

CVE-2022-50101 video: fbdev: vt8623fb: Check the size of screen before memset_io()

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: vt8623fb: Check the size of screen before memsetio In the function vt8623fbsetpar, the value of 'screensize' is calculated by the user input. If the user provides the improper value, the value of 'screensize' may...

CVE-2022-50101

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: vt8623fb: Check the size of screen before memsetio In the function vt8623fbsetpar, the value of 'screensize' is calculated by the user input. If the user provides the improper value, the value of 'screensize' may...

CVE-2022-50101

CVE-2022-50101 affects the Linux kernel’s fbdev vt8623fb code. The flaw arises in vt8623fb_set_par(), where a user-supplied value is used to compute screen_size. If screen_size exceeds info->screen_size, a memory write via memset_io() can trigger a supervisor-page fault (kernel crash). The rep...

CVE-2022-50099 video: fbdev: arkfb: Check the size of screen before memset_io()

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: arkfb: Check the size of screen before memsetio In the function arkfbsetpar, the value of 'screensize' is calculated by the user input. If the user provides the improper value, the value of 'screensize' may larger...

CVE-2022-50099

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: arkfb: Check the size of screen before memsetio In the function arkfbsetpar, the value of 'screensize' is calculated by the user input. If the user provides the improper value, the value of 'screensize' may larger...

CVE-2022-50099

CVE-2022-50099 affects the Linux kernel video fbdev Arkfb component. In arkfb_set_par(), user input can set screen_size larger than info->screen_size, risking a kernel page fault (LOCAL, high impact). The mitigation described is to check screen_size before memset_io() and apply the provided pa...

CVE-2022-50099 video: fbdev: arkfb: Check the size of screen before memset_io()

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: arkfb: Check the size of screen before memsetio In the function arkfbsetpar, the value of 'screensize' is calculated by the user input. If the user provides the improper value, the value of 'screensize' may larger...

CVE-2022-50097 video: fbdev: s3fb: Check the size of screen before memset_io()

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: s3fb: Check the size of screen before memsetio In the function s3fbsetpar, the value of 'screensize' is calculated by the user input. If the user provides the improper value, the value of 'screensize' may larger tha...

CVE-2022-50097

CVE-2022-50097 affects the Linux kernel’s video fbdev s3fb driver. The bug arises in s3fb_set_par() where the code computes screen_size from user input and can exceed info->screen_size, leading to a kernel PAGE_FAULT on write (local access) during memset_io. The issue is mitigated by the docum...

CVE-2022-50097 video: fbdev: s3fb: Check the size of screen before memset_io()

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: s3fb: Check the size of screen before memsetio In the function s3fbsetpar, the value of 'screensize' is calculated by the user input. If the user provides the improper value, the value of 'screensize' may larger tha...

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 the s3fb driver not validating the screensize parameter, which could lead to out-of-bounds writes...

CVE-2022-50222: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: tty: vt: initialize unicode screen buffer syzbot reports kernel infoleak at vcsread 1, for buffer can be read immediately after resize operation. Initialize buffer using kzalloc. ---------- include include include include int...

PT-2025-26025 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been identified, specifically in the arkfb driver. The issue arises in the arkfb set par function, where the screen size value is calculated bas...