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.
Product status
59277b679f8b5ce594e367759256668eba652d0d (git) before cce24f70090e0decb597b88bc52e8ef8efed6105
59277b679f8b5ce594e367759256668eba652d0d (git) before 03797cdee38ef19c87785622d423aabaafb71c5f
59277b679f8b5ce594e367759256668eba652d0d (git) before 6de048d78f3029744778b7a2891745f3ca7c209a
59277b679f8b5ce594e367759256668eba652d0d (git) before cccbf9b7fdab48ce4feb69c24f7f928aa8e4e8b8
59277b679f8b5ce594e367759256668eba652d0d (git) before afaaaa38579f1252bb42b145f6e88a955c4f73f3
59277b679f8b5ce594e367759256668eba652d0d (git) before a31e4518bec70333a0a98f2946a12b53b45fe5b9
2.6.34
Any version before 2.6.34
6.6.136 (semver)
6.12.83 (semver)
6.18.24 (semver)
6.19.14 (semver)
7.0.1 (semver)
7.1-rc1 (original_commit_for_fix)
References
git.kernel.org/...c/cce24f70090e0decb597b88bc52e8ef8efed6105
git.kernel.org/...c/03797cdee38ef19c87785622d423aabaafb71c5f
git.kernel.org/...c/6de048d78f3029744778b7a2891745f3ca7c209a
git.kernel.org/...c/cccbf9b7fdab48ce4feb69c24f7f928aa8e4e8b8
git.kernel.org/...c/afaaaa38579f1252bb42b145f6e88a955c4f73f3
git.kernel.org/...c/a31e4518bec70333a0a98f2946a12b53b45fe5b9