CVE-2026-31618
In the Linux kernel, the following vulnerability has been resolved: fbdev: tdfxfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO Much like commit 19f953e74356 ("fbdev: fb_pm2fb: Avoid potential divide by zero error"), we also need to prevent that same crash from happening in the udlfb driver as it uses pixclock directly when dividing, which will crash.
취약점 유형
In the Linux kernel, the following vulnerability has been resolved: fbdev: tdfxfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO Much like commit 19f953e74356 ("fbdev: fb_pm2fb: Avoid potential divide by zero error"), we also need to prevent that same crash from happening in the udlfb driver as it uses pixclock directly when dividing, which will crash.
영향받는 제품
- linux linux_kernel
참고 자료
- https://git.kernel.org/stable/c/2f207e46c62688bb7eb4e3feaf9a0d94020fb0c9
- https://git.kernel.org/stable/c/53cb4e79a07124d2ebe502983c29800104080b47
- https://git.kernel.org/stable/c/59bde9e0930efef1286768cb65fc78d5e5267f93
- https://git.kernel.org/stable/c/63dfb0b4741f46d65b667c4275132b3d1966acc8
- https://git.kernel.org/stable/c/6567d3e1aaadfebf44ce7dc9ea2630323cd4c736
- https://git.kernel.org/stable/c/6c05191598eca87a87329b3f6e4a0825775f09cf
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