{"id":"CVE-2026-98825","summary":"rtc: mpfs: fix unchecked devm_clk_get() error pointer in probe()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nrtc: mpfs: fix unchecked devm_clk_get() error pointer in probe()\n\ndevm_clk_get(&pdev-\u003edev, \"rtcref\")'s return value was passed straight\ninto clk_get_rate() without checking it for an error first, unlike the\n\"rtc\" clock a few lines above which is correctly checked with\nIS_ERR(). clk_get_rate() only guards against a NULL clk, not an error\npointer:\n\n\tif (!clk)\n\t\treturn 0;\n\t...\n\trate = clk_core_get_rate_recalc(clk-\u003ecore);\n\nso if devm_clk_get() ever returns an error pointer here (for example\nERR_PTR(-EPROBE_DEFER), which is the normal, expected outcome if the\nclkcfg clock-provider this RTC depends on has not registered its\nclocks yet by the time this driver probes), clk_get_rate() dereferences\nthat error pointer instead of returning 0, crashing instead of letting\nprobe defer.\n\nCapture the clock in the existing 'clk' local and check it with\nIS_ERR() before calling clk_get_rate(), matching the handling already\nused for the \"rtc\" clock in this same function.","modified":"2026-10-19T02:47:28.667865934Z","published":"2026-10-18T15:49:17.605Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98825.json"},"references":[{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"},{"type":"WEB","url":"https://git.kernel.org/stable/c/74dc7c52946e3d47c40edd0875adb7cc15937066"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8a03f8422fa08eed335c51bccb612a3d81739ff2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ac41b05d15db3134e839148290d67415ee0bdb58"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cfd70c9b19846c524f2b6195a7484bdf22071ccf"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98825.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98825"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0b31d703598dc1993867597bbd45e87d824fc427"},{"fixed":"74dc7c52946e3d47c40edd0875adb7cc15937066"},{"fixed":"cfd70c9b19846c524f2b6195a7484bdf22071ccf"},{"fixed":"8a03f8422fa08eed335c51bccb612a3d81739ff2"},{"fixed":"ac41b05d15db3134e839148290d67415ee0bdb58"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98825.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.12.113"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.56"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98825.json"}}],"schema_version":"1.9.0"}