{"id":"CVE-2026-31605","summary":"fbdev: udlfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: udlfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO\n\nMuch like commit 19f953e74356 (\"fbdev: fb_pm2fb: Avoid potential divide\nby zero error\"), we also need to prevent that same crash from happening\nin the udlfb driver as it uses pixclock directly when dividing, which\nwill crash.","modified":"2026-06-03T03:54:43.122385392Z","published":"2026-04-24T14:42:28.120Z","related":["CGA-qq62-32wp-x8gp","openSUSE-SU-2026:10703-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31605.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/03797cdee38ef19c87785622d423aabaafb71c5f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6de048d78f3029744778b7a2891745f3ca7c209a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/828ce54b27de93bd9c67991bca5a2c76c76742de"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9981de9fb5ae0d3d6bc5ff5ca63350c2a3cdc564"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a31e4518bec70333a0a98f2946a12b53b45fe5b9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/afaaaa38579f1252bb42b145f6e88a955c4f73f3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cccbf9b7fdab48ce4feb69c24f7f928aa8e4e8b8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cce24f70090e0decb597b88bc52e8ef8efed6105"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fd50ab7dd4ee5bbb4aebffa76ae18484b03a8ea5"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31605.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31605"},{"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":"59277b679f8b5ce594e367759256668eba652d0d"},{"fixed":"9981de9fb5ae0d3d6bc5ff5ca63350c2a3cdc564"},{"fixed":"fd50ab7dd4ee5bbb4aebffa76ae18484b03a8ea5"},{"fixed":"828ce54b27de93bd9c67991bca5a2c76c76742de"},{"fixed":"cce24f70090e0decb597b88bc52e8ef8efed6105"},{"fixed":"03797cdee38ef19c87785622d423aabaafb71c5f"},{"fixed":"6de048d78f3029744778b7a2891745f3ca7c209a"},{"fixed":"cccbf9b7fdab48ce4feb69c24f7f928aa8e4e8b8"},{"fixed":"afaaaa38579f1252bb42b145f6e88a955c4f73f3"},{"fixed":"a31e4518bec70333a0a98f2946a12b53b45fe5b9"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-31605.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.34"},{"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-2026-31605.json"}}],"schema_version":"1.7.5"}