Description
In the Linux kernel, the following vulnerability has been resolved: staging: sm750fb: fix division by zero in ps_to_hz() ps_to_hz() is called from hw_sm750_crtc_set_mode() without validating that pixclock is non-zero. A zero pixclock passed via FBIOPUT_VSCREENINFO causes a division by zero. Fix by rejecting zero pixclock in lynxfb_ops_check_var(), consistent with other framebuffer drivers.
Product status
81dee67e215b23f0c98182eece122b906d35765a (git) before 779412e0e391fd4a0d12e1d1adaa7bf043de62d7
81dee67e215b23f0c98182eece122b906d35765a (git) before 2f640c6043aeab31a2f607d7605271860c3b11df
81dee67e215b23f0c98182eece122b906d35765a (git) before 1412ba36597a82e928f20047f41d6c6582dafe8a
81dee67e215b23f0c98182eece122b906d35765a (git) before 6144895a4335a2491c282931f1f2fa610b86339f
81dee67e215b23f0c98182eece122b906d35765a (git) before daf6733bd7c4c5015b431739ac29b0e29021096b
81dee67e215b23f0c98182eece122b906d35765a (git) before 75a1621e4f91310673c9acbcbb25c2a7ff821cd3
4.1
Any version before 4.1
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/779412e0e391fd4a0d12e1d1adaa7bf043de62d7
git.kernel.org/...c/2f640c6043aeab31a2f607d7605271860c3b11df
git.kernel.org/...c/1412ba36597a82e928f20047f41d6c6582dafe8a
git.kernel.org/...c/6144895a4335a2491c282931f1f2fa610b86339f
git.kernel.org/...c/daf6733bd7c4c5015b431739ac29b0e29021096b
git.kernel.org/...c/75a1621e4f91310673c9acbcbb25c2a7ff821cd3