{"id":"CVE-2026-98409","state":"PUBLISHED","title":"watchdog: rtd119x: Avoid division by zero","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwatchdog: rtd119x: Avoid division by zero\n\nclk_get_rate() could return 0.  Avoid a division by zero panic.","publishedAt":"2026-10-14T13:27:42.984Z","updatedAt":"2026-10-30T12:38:07.889Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367","status":"affected","lessThan":"b2876193a150301993ab2f88afde07568e4de9c7","versionType":"git"},{"version":"2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367","status":"affected","lessThan":"5cfea211bd3440b1de0b2d7dc2809c6350a5b722","versionType":"git"},{"version":"2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367","status":"affected","lessThan":"d4ef7cf5d31c3cbc6f87721fb950ab10dadeee72","versionType":"git"},{"version":"2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367","status":"affected","lessThan":"757c721545b9ffac5c3042a0cd3685ea28af7e81","versionType":"git"},{"version":"2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367","status":"affected","lessThan":"1f22001b34984350844d629862f70934770cb796","versionType":"git"},{"version":"2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367","status":"affected","lessThan":"b4ede87765a2e58ca4f18f5f8037c4826b9cc93f","versionType":"git"},{"version":"2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367","status":"affected","lessThan":"8a12e049d517d7dee78500633f8f0e47262a67e0","versionType":"git"},{"version":"2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367","status":"affected","lessThan":"5af7d2cbd20f893def03c8310a460ade66a5d822","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/watchdog/rtd119x_wdt.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.16","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/watchdog/rtd119x_wdt.c"]}],"references":["https://git.kernel.org/stable/c/b2876193a150301993ab2f88afde07568e4de9c7","https://git.kernel.org/stable/c/5cfea211bd3440b1de0b2d7dc2809c6350a5b722","https://git.kernel.org/stable/c/d4ef7cf5d31c3cbc6f87721fb950ab10dadeee72","https://git.kernel.org/stable/c/757c721545b9ffac5c3042a0cd3685ea28af7e81","https://git.kernel.org/stable/c/1f22001b34984350844d629862f70934770cb796","https://git.kernel.org/stable/c/b4ede87765a2e58ca4f18f5f8037c4826b9cc93f","https://git.kernel.org/stable/c/8a12e049d517d7dee78500633f8f0e47262a67e0","https://git.kernel.org/stable/c/5af7d2cbd20f893def03c8310a460ade66a5d822"],"weaknesses":[],"ingestedAt":"2026-10-30T12:58:04.520Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98409.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98409","state":"PUBLISHED","datePublished":"2026-10-14T13:27:42.984Z","dateUpdated":"2026-10-30T12:38:07.889Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.347Z"},"containers":{"cna":{"title":"watchdog: rtd119x: Avoid division by zero","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwatchdog: rtd119x: Avoid division by zero\n\nclk_get_rate() could return 0.  Avoid a division by zero panic."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367","status":"affected","lessThan":"b2876193a150301993ab2f88afde07568e4de9c7","versionType":"git"},{"version":"2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367","status":"affected","lessThan":"5cfea211bd3440b1de0b2d7dc2809c6350a5b722","versionType":"git"},{"version":"2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367","status":"affected","lessThan":"d4ef7cf5d31c3cbc6f87721fb950ab10dadeee72","versionType":"git"},{"version":"2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367","status":"affected","lessThan":"757c721545b9ffac5c3042a0cd3685ea28af7e81","versionType":"git"},{"version":"2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367","status":"affected","lessThan":"1f22001b34984350844d629862f70934770cb796","versionType":"git"},{"version":"2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367","status":"affected","lessThan":"b4ede87765a2e58ca4f18f5f8037c4826b9cc93f","versionType":"git"},{"version":"2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367","status":"affected","lessThan":"8a12e049d517d7dee78500633f8f0e47262a67e0","versionType":"git"},{"version":"2bdf6acbfead7e9aa69f36ee5682d1e5c8f70367","status":"affected","lessThan":"5af7d2cbd20f893def03c8310a460ade66a5d822","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/watchdog/rtd119x_wdt.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.16","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/watchdog/rtd119x_wdt.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b2876193a150301993ab2f88afde07568e4de9c7"},{"url":"https://git.kernel.org/stable/c/5cfea211bd3440b1de0b2d7dc2809c6350a5b722"},{"url":"https://git.kernel.org/stable/c/d4ef7cf5d31c3cbc6f87721fb950ab10dadeee72"},{"url":"https://git.kernel.org/stable/c/757c721545b9ffac5c3042a0cd3685ea28af7e81"},{"url":"https://git.kernel.org/stable/c/1f22001b34984350844d629862f70934770cb796"},{"url":"https://git.kernel.org/stable/c/b4ede87765a2e58ca4f18f5f8037c4826b9cc93f"},{"url":"https://git.kernel.org/stable/c/8a12e049d517d7dee78500633f8f0e47262a67e0"},{"url":"https://git.kernel.org/stable/c/5af7d2cbd20f893def03c8310a460ade66a5d822"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:38:07.889Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"5.10.273"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"5.15.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.18.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"7.2.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}