{"id":"CVE-2022-49273","summary":"rtc: pl031: fix rtc features null pointer dereference","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nrtc: pl031: fix rtc features null pointer dereference\n\nWhen there is no interrupt line, rtc alarm feature is disabled.\n\nThe clearing of the alarm feature bit was being done prior to allocations\nof ldata-\u003ertc device, resulting in a null pointer dereference.\n\nClear RTC_FEATURE_ALARM after the rtc device is allocated.","modified":"2026-04-11T12:43:50.629807Z","published":"2025-02-26T01:56:19.110Z","related":["SUSE-SU-2025:1027-1","SUSE-SU-2025:1176-1","SUSE-SU-2025:1183-1","SUSE-SU-2025:1241-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49273.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1b915703964f7e636961df04c540261dc55c6c70"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cd2722e411e8ab7e5ae41102f6925fa13dffdac5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d274ce4a3dfd0b9a292667535578359b865765cb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ea6af39f3da50c86367a71eb3cc674ade3ed244c"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49273.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49273"},{"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":"d9b0dd54a1943f47a381a474f8ea2c94466110c0"},{"fixed":"cd2722e411e8ab7e5ae41102f6925fa13dffdac5"},{"fixed":"d274ce4a3dfd0b9a292667535578359b865765cb"},{"fixed":"1b915703964f7e636961df04c540261dc55c6c70"},{"fixed":"ea6af39f3da50c86367a71eb3cc674ade3ed244c"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49273.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.12.0"},{"fixed":"5.15.33"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"5.16.19"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.17.0"},{"fixed":"5.17.2"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49273.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"}]}