Description
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.
Product status
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 859a239d58a812b61267d9944b701affe6a6244e
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 53cb4e79a07124d2ebe502983c29800104080b47
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before fc386daa6846551a88d338ba9864fc2812cd9030
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 6567d3e1aaadfebf44ce7dc9ea2630323cd4c736
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 63dfb0b4741f46d65b667c4275132b3d1966acc8
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 8f98b81fe011e1879e6a7b1247e69e06a5e17af2
2.6.12
Any version before 2.6.12
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/859a239d58a812b61267d9944b701affe6a6244e
git.kernel.org/...c/53cb4e79a07124d2ebe502983c29800104080b47
git.kernel.org/...c/fc386daa6846551a88d338ba9864fc2812cd9030
git.kernel.org/...c/6567d3e1aaadfebf44ce7dc9ea2630323cd4c736
git.kernel.org/...c/63dfb0b4741f46d65b667c4275132b3d1966acc8
git.kernel.org/...c/8f98b81fe011e1879e6a7b1247e69e06a5e17af2