CVE-2026-31603
Description
A flaw was found in the Linux kernel's sm750fb framebuffer driver. A local user can exploit this vulnerability by providing a specially crafted input with a zero pixclock value via the FBIOPUT_VSCREENINFO ioctl. This leads to a division-by-zero error in the ps_to_hz() function, which can result in a system crash and a Denial of Service (DoS).
Understanding the Weakness (CWE)
Availability
Technical Impact: DoS: Crash, Exit, or Restart
A Divide by Zero results in a crash.
Frequently Asked Questions
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