{"id":"CVE-2022-49821","summary":"mISDN: fix possible memory leak in mISDN_dsp_element_register()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nmISDN: fix possible memory leak in mISDN_dsp_element_register()\n\nAfer commit 1fa5ae857bb1 (\"driver core: get rid of struct device's\nbus_id string array\"), the name of device is allocated dynamically,\nuse put_device() to give up the reference, so that the name can be\nfreed in kobject_cleanup() when the refcount is 0.\n\nThe 'entry' is going to be freed in mISDN_dsp_dev_release(), so the\nkfree() is removed. list_del() is called in mISDN_dsp_dev_release(),\nso it need be initialized.","modified":"2026-04-03T13:14:40.817270Z","published":"2025-05-01T14:09:42.901Z","related":["SUSE-SU-2025:01918-1","SUSE-SU-2025:01966-1","SUSE-SU-2025:01982-1","SUSE-SU-2025:01983-1","SUSE-SU-2025:01995-1","SUSE-SU-2025:02173-1","SUSE-SU-2025:02262-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49821.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/083a2c9ef82e184bdf0b9f9a1e5fc38d32afbb47"},{"type":"WEB","url":"https://git.kernel.org/stable/c/0f2c681900a01e3f23789bca26d88268c3d5b51d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/727ed7d28348c026c7ef4d852f3d0e5054d376e8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7a05e3929668c8cfef495c69752a9e91fac4878f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/98a2ac1ca8fd6eca6867726fe238d06e75eb1acd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b119bedbefb7dd9ed8bf8cb9f1056504250d610e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bbd53d05c4c892080ef3b617eff4f57903acecb9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d4b8394725079670be309f9a35ad88a8cbbaaefd"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49821.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49821"},{"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":"1fa5ae857bb14f6046205171d98506d8112dd74e"},{"fixed":"bbd53d05c4c892080ef3b617eff4f57903acecb9"},{"fixed":"b119bedbefb7dd9ed8bf8cb9f1056504250d610e"},{"fixed":"727ed7d28348c026c7ef4d852f3d0e5054d376e8"},{"fixed":"0f2c681900a01e3f23789bca26d88268c3d5b51d"},{"fixed":"083a2c9ef82e184bdf0b9f9a1e5fc38d32afbb47"},{"fixed":"7a05e3929668c8cfef495c69752a9e91fac4878f"},{"fixed":"d4b8394725079670be309f9a35ad88a8cbbaaefd"},{"fixed":"98a2ac1ca8fd6eca6867726fe238d06e75eb1acd"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49821.json"}}],"schema_version":"1.7.5"}