EUVD-2026-25496

In the Linux kernel, the following vulnerability has been resolved: staging: sm750fb: fix division by zero in pstohz pstohz is called from hwsm750crtcsetmode without validating that pixclock is non-zero. A zero pixclock passed via FBIOPUTVSCREENINFO causes a division by zero. Fix by rejecting zer...

CVE-2026-31603

CVE-2026-31603 affects the Linux kernel staging: sm750fb driver. The issue occurs when a zero pixclock is passed via FBIOPUT_VSCREENINFO, causing ps_to_hz() to divide by zero in hw_sm750_crtc_set_mode(). The vulnerability is resolved by rejecting zero pixclock in lynxfb_ops_check_var(), aligning ...

CVE-2026-31603

In the Linux kernel, the following vulnerability has been resolved: staging: sm750fb: fix division by zero in pstohz pstohz is called from hwsm750crtcsetmode without validating that pixclock is non-zero. A zero pixclock passed via FBIOPUTVSCREENINFO causes a division by zero. Fix by rejecting zer...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990623)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990623 advisory. In the Linux kernel, the following vulnerability has been resolved: fbdev: savage: Handle err return when savagefbcheckvar failed The commit 04e5eac8f3abfbdev: savag...

DEBIAN-CVE-2022-49978

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbpm2fb: Avoid potential divide by zero error In dofbioctl of fbmem.c, if cmd is FBIOPUTVSCREENINFO, var will be copied from user, then go through fbsetvar and info-fbops-fbcheckvar which could may be pm2fbcheckvar. Along...

UBUNTU-CVE-2022-49978

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbpm2fb: Avoid potential divide by zero error In dofbioctl of fbmem.c, if cmd is FBIOPUTVSCREENINFO, var will be copied from user, then go through fbsetvar and info-fbops-fbcheckvar which could may be pm2fbcheckvar. Along...

SUSE CVE-2024-39475

In the Linux kernel, the following vulnerability has been resolved: fbdev: savage: Handle err return when savagefbcheckvar failed The commit 04e5eac8f3ab"fbdev: savage: Error out if pixclock equals zero" checks the value of pixclock to avoid divide-by-zero error. However the function savagefbprob...