CVE-2026-31603
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.
Słabość
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.
Produkty, których dotyczy
- linux linux_kernel
Źródła
- https://git.kernel.org/stable/c/124a43550db8a74eef080cd4573a4904efe67029
- https://git.kernel.org/stable/c/1412ba36597a82e928f20047f41d6c6582dafe8a
- https://git.kernel.org/stable/c/2f640c6043aeab31a2f607d7605271860c3b11df
- https://git.kernel.org/stable/c/3300b049693138852a4c6738b5f1194a1ee91ddd
- https://git.kernel.org/stable/c/6144895a4335a2491c282931f1f2fa610b86339f
- https://git.kernel.org/stable/c/75a1621e4f91310673c9acbcbb25c2a7ff821cd3
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