{"cve":"CVE-2022-49821","nvd":{"published":"2025-05-01T15:16:05.513","modified":"2026-06-17T05:19:13.737","status":"Analyzed","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-401"],"references":["https://git.kernel.org/stable/c/083a2c9ef82e184bdf0b9f9a1e5fc38d32afbb47","https://git.kernel.org/stable/c/0f2c681900a01e3f23789bca26d88268c3d5b51d","https://git.kernel.org/stable/c/727ed7d28348c026c7ef4d852f3d0e5054d376e8","https://git.kernel.org/stable/c/7a05e3929668c8cfef495c69752a9e91fac4878f","https://git.kernel.org/stable/c/98a2ac1ca8fd6eca6867726fe238d06e75eb1acd"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:01:22.920403922+00:00"},"epss":{"cve":"CVE-2022-49821","score":0.00202,"percentile":0.1022,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}