fbdev: tdfxfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO

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DEBIAN-CVE-2026-31618

In the Linux kernel, the following vulnerability has been resolved: fbdev: tdfxfb: avoid divide-by-zero on FBIOPUTVSCREENINFO Much like commit 19f953e74356 "fbdev: fbpm2fb: Avoid potential divide by zero error", we also need to prevent that same crash from happening in the udlfb driver as it uses...

CVE-2026-31618

In the Linux kernel, the following vulnerability has been resolved: fbdev: tdfxfb: avoid divide-by-zero on FBIOPUTVSCREENINFO Much like commit 19f953e74356 "fbdev: fbpm2fb: Avoid potential divide by zero error", we also need to prevent that same crash from happening in the udlfb driver as it uses...

PT-2026-34955

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A division by zero occurs in the ps to hz function. This happens because hw sm750 crtc set mode calls ps to hz without verifying that the pixclock variable is non-zero. An attacker can...

UBUNTU-CVE-2026-23266

In the Linux kernel, the following vulnerability has been resolved: fbdev: rivafb: fix divide error in nv3arb A userspace program can trigger the RIVA NV3 arbitration code by calling the FBIOPUTVSCREENINFO ioctl on /dev/fb. When doing so, the driver recomputes FIFO arbitration parameters in nv3ar...

DEBIAN-CVE-2021-33655

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