{"id":"CVE-2026-31603","summary":"staging: sm750fb: fix division by zero in ps_to_hz()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: sm750fb: fix division by zero in ps_to_hz()\n\nps_to_hz() is called from hw_sm750_crtc_set_mode() without validating\nthat pixclock is non-zero. A zero pixclock passed via FBIOPUT_VSCREENINFO\ncauses a division by zero.\n\nFix by rejecting zero pixclock in lynxfb_ops_check_var(), consistent\nwith other framebuffer drivers.","modified":"2026-06-18T03:57:40.078681692Z","published":"2026-04-24T14:42:26.601Z","related":["CGA-5gxx-2577-qf3m","openSUSE-SU-2026:10703-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31603.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/124a43550db8a74eef080cd4573a4904efe67029"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1412ba36597a82e928f20047f41d6c6582dafe8a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2f640c6043aeab31a2f607d7605271860c3b11df"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3300b049693138852a4c6738b5f1194a1ee91ddd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6144895a4335a2491c282931f1f2fa610b86339f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/75a1621e4f91310673c9acbcbb25c2a7ff821cd3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/779412e0e391fd4a0d12e1d1adaa7bf043de62d7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b285a8f3bbb821a93eb37c2740a68ca1d7112a59"},{"type":"WEB","url":"https://git.kernel.org/stable/c/daf6733bd7c4c5015b431739ac29b0e29021096b"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31603.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31603"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"81dee67e215b23f0c98182eece122b906d35765a"},{"fixed":"124a43550db8a74eef080cd4573a4904efe67029"},{"fixed":"b285a8f3bbb821a93eb37c2740a68ca1d7112a59"},{"fixed":"3300b049693138852a4c6738b5f1194a1ee91ddd"},{"fixed":"779412e0e391fd4a0d12e1d1adaa7bf043de62d7"},{"fixed":"2f640c6043aeab31a2f607d7605271860c3b11df"},{"fixed":"1412ba36597a82e928f20047f41d6c6582dafe8a"},{"fixed":"6144895a4335a2491c282931f1f2fa610b86339f"},{"fixed":"daf6733bd7c4c5015b431739ac29b0e29021096b"},{"fixed":"75a1621e4f91310673c9acbcbb25c2a7ff821cd3"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-31603.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.0"},{"fixed":"5.10.258"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.209"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.175"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.136"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.83"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.24"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.14"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.20.0"},{"fixed":"7.0.1"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-31603.json"}}],"schema_version":"1.7.5"}