CVE-2026-31618
fbdev: tdfxfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Apr 24, 2026 |
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Affected Versions
Linux / Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 53cb4e79a07124d2ebe502983c29800104080b47 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < fc386daa6846551a88d338ba9864fc2812cd9030 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6567d3e1aaadfebf44ce7dc9ea2630323cd4c736 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 63dfb0b4741f46d65b667c4275132b3d1966acc8
Linux / Linux
All versions affected References
git.kernel.org: https://git.kernel.org/stable/c/53cb4e79a07124d2ebe502983c29800104080b47 git.kernel.org: https://git.kernel.org/stable/c/fc386daa6846551a88d338ba9864fc2812cd9030 git.kernel.org: https://git.kernel.org/stable/c/6567d3e1aaadfebf44ce7dc9ea2630323cd4c736 git.kernel.org: https://git.kernel.org/stable/c/63dfb0b4741f46d65b667c4275132b3d1966acc8