CVE-2026-31603 staging: sm750fb: fix division by zero in ps_to_hz()

🗓️ 24 Apr 2026 14:42:26Reported by GoogleType

osv

osv🔗 osv.dev👁 7 Views

Fix division by zero in ps_to_hz by rejecting zero pixclock in lynxfb_ops_check_var.

Source	Link
git	www.git.kernel.org/stable/c/124a43550db8a74eef080cd4573a4904efe67029
git	www.git.kernel.org/stable/c/1412ba36597a82e928f20047f41d6c6582dafe8a
git	www.git.kernel.org/stable/c/2f640c6043aeab31a2f607d7605271860c3b11df
git	www.git.kernel.org/stable/c/3300b049693138852a4c6738b5f1194a1ee91ddd
git	www.git.kernel.org/stable/c/6144895a4335a2491c282931f1f2fa610b86339f
git	www.git.kernel.org/stable/c/75a1621e4f91310673c9acbcbb25c2a7ff821cd3
git	www.git.kernel.org/stable/c/779412e0e391fd4a0d12e1d1adaa7bf043de62d7
git	www.git.kernel.org/stable/c/b285a8f3bbb821a93eb37c2740a68ca1d7112a59
git	www.git.kernel.org/stable/c/daf6733bd7c4c5015b431739ac29b0e29021096b
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31603.json

22 Jul 2026 18:14Current

5.8Medium risk

Vulners AI Score5.8

division by zero pixclock zero ps_to_hz lynxfb check var