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CVE-2026-31605

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CVE-2026-31605

Published: Apr 24, 2026

Modified: Jun 1, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: fbdev: udlfb: 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.

VendorProductVersions

Linux

Linux

affected
59277b679f8b5ce594e367759256668eba652d0d - < 9981de9fb5ae0d3d6bc5ff5ca63350c2a3cdc564
affected
59277b679f8b5ce594e367759256668eba652d0d - < fd50ab7dd4ee5bbb4aebffa76ae18484b03a8ea5
affected
59277b679f8b5ce594e367759256668eba652d0d - < 828ce54b27de93bd9c67991bca5a2c76c76742de
affected
59277b679f8b5ce594e367759256668eba652d0d - < cce24f70090e0decb597b88bc52e8ef8efed6105
affected
59277b679f8b5ce594e367759256668eba652d0d - < 03797cdee38ef19c87785622d423aabaafb71c5f

+4 more versions

Linux

Linux

affected
2.6.34
unaffected
0 - < 2.6.34
unaffected
5.10.258 - <= 5.10.*
unaffected
5.15.209 - <= 5.15.*
unaffected
6.1.175 - <= 6.1.*

+6 more versions

References

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