{"schema_version":"1.9.0","id":"CVE-2026-63931","published":"2026-07-19T14:55:30.718Z","modified":"2026-08-31T18:26:06.627061357Z","related":["SUSE-SU-2026:23066-1","SUSE-SU-2026:23068-1","SUSE-SU-2026:23193-1","SUSE-SU-2026:23194-1","SUSE-SU-2026:23221-1","SUSE-SU-2026:23231-1","SUSE-SU-2026:23237-1","SUSE-SU-2026:23241-1","SUSE-SU-2026:23244-1","SUSE-SU-2026:3790-1","SUSE-SU-2026:3810-1","openSUSE-SU-2026:21555-1"],"summary":"iio: chemical: scd30: fix division by zero in write_raw","details":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: chemical: scd30: fix division by zero in write_raw\n\nAdd a zero check for val2 before using it as a divisor when setting the\nsampling frequency. A user writing a zero fractional part to the\nsampling_frequency sysfs attribute triggers a division by zero in the\nkernel.","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"64b3d8b1b0f5c16c19045785e4da8391ae35ec99"},{"fixed":"4748bce423a363bb8a85a624faeb8f54fe331611"},{"fixed":"6308b812acdcac38cbfe1af0b1524c3375f408a5"},{"fixed":"c7a740bf75554b051fabb17596ca6e483d6e6d90"},{"fixed":"e85bc501947f5ae16dd9adc01162b76d55ab7962"},{"fixed":"d98c2e69aab905d1b19a69ffe584efa46a9efd42"},{"fixed":"5e4d34092a5ebfbc3a45a180c76ecb1cdbbedd53"},{"fixed":"2c50c017df97bfb425038efdfb8514c7bcd08564"},{"fixed":"5aba4f94b225617a55fed442a70329b2ee19c0a5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63931.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.9.0"},{"fixed":"5.10.259"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.210"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.176"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.143"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.93"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.35"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.12"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63931.json"}}],"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2c50c017df97bfb425038efdfb8514c7bcd08564"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4748bce423a363bb8a85a624faeb8f54fe331611"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5aba4f94b225617a55fed442a70329b2ee19c0a5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5e4d34092a5ebfbc3a45a180c76ecb1cdbbedd53"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6308b812acdcac38cbfe1af0b1524c3375f408a5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c7a740bf75554b051fabb17596ca6e483d6e6d90"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d98c2e69aab905d1b19a69ffe584efa46a9efd42"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e85bc501947f5ae16dd9adc01162b76d55ab7962"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63931.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63931"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63931.json"}}