{"id":"CVE-2022-49668","summary":"PM / devfreq: exynos-ppmu: Fix refcount leak in of_get_devfreq_events","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nPM / devfreq: exynos-ppmu: Fix refcount leak in of_get_devfreq_events\n\nof_get_child_by_name() returns a node pointer with refcount\nincremented, we should use of_node_put() on it when done.\nThis function only calls of_node_put() in normal path,\nmissing it in error paths.\nAdd missing of_node_put() to avoid refcount leak.","modified":"2026-04-02T08:27:49.081131Z","published":"2025-02-26T02:24:02.662Z","related":["SUSE-SU-2025:01600-1","SUSE-SU-2025:1027-1","SUSE-SU-2025:1176-1","SUSE-SU-2025:1183-1","SUSE-SU-2025:1241-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49668.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/01121e39ef537289926ae6f5374dce92c796d863"},{"type":"WEB","url":"https://git.kernel.org/stable/c/194781229d4cbc804b8ded13156eb8addce87d6c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bdecd912e99acfd61507f1720d3f4eed1b3418d8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e65027fdebbacd40595e96ef7b5d2418f71bddf2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f44b799603a9b5d2e375b0b2d54dd0b791eddfc2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49668.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49668"},{"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":"f262f28c147051e7aa6daaf4fb5996833ffadff4"},{"fixed":"bdecd912e99acfd61507f1720d3f4eed1b3418d8"},{"fixed":"e65027fdebbacd40595e96ef7b5d2418f71bddf2"},{"fixed":"01121e39ef537289926ae6f5374dce92c796d863"},{"fixed":"194781229d4cbc804b8ded13156eb8addce87d6c"},{"fixed":"f44b799603a9b5d2e375b0b2d54dd0b791eddfc2"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49668.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"}]}