{"id":"CVE-2022-49387","summary":"watchdog: rzg2l_wdt: Fix 32bit overflow issue","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwatchdog: rzg2l_wdt: Fix 32bit overflow issue\n\nThe value of timer_cycle_us can be 0 due to 32bit overflow.\nFor eg:- If we assign the counter value \"0xfff\" for computing\nmaxval.\n\nThis patch fixes this issue by appending ULL to 1024, so that\nit is promoted to 64bit.\n\nThis patch also fixes the warning message, 'watchdog: Invalid min and\nmax timeout values, resetting to 0!'.","modified":"2026-03-20T12:22:23.810108Z","published":"2025-02-26T02:11:21.804Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49387.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/b95a47667d34e76c2c9013f8e3b1e5039a5a0b76"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e07b9fa0dc32b492de85528caaf9f0c605d8424f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ea2949df22a533cdf75e4583c00b1ce94cd5a83b"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49387.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49387"},{"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":"2cbc5cd0b55fa2310cc557c77b0665f5e00272de"},{"fixed":"e07b9fa0dc32b492de85528caaf9f0c605d8424f"},{"fixed":"b95a47667d34e76c2c9013f8e3b1e5039a5a0b76"},{"fixed":"ea2949df22a533cdf75e4583c00b1ce94cd5a83b"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49387.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}