{"schema_version":"1.7.5","id":"CVE-2021-47058","published":"2024-02-29T23:15:07.640Z","modified":"2026-03-15T22:42:46.699367Z","related":["SUSE-SU-2024:1454-1","SUSE-SU-2024:1465-1","SUSE-SU-2024:1489-1"],"details":"In the Linux kernel, the following vulnerability has been resolved:\n\nregmap: set debugfs_name to NULL after it is freed\n\nThere is a upstream commit cffa4b2122f5(\"regmap:debugfs:\nFix a memory leak when calling regmap_attach_dev\") that\nadds a if condition when create name for debugfs_name.\nWith below function invoking logical, debugfs_name is\nfreed in regmap_debugfs_exit(), but it is not created again\nbecause of the if condition introduced by above commit.\nregmap_reinit_cache()\n\tregmap_debugfs_exit()\n\t...\n\tregmap_debugfs_init()\nSo, set debugfs_name to NULL after it is freed.","affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47058.json","unresolved_ranges":[{"events":[{"introduced":"4.19.168"},{"fixed":"4.19.191"}]},{"events":[{"introduced":"5.4.90"},{"fixed":"5.4.119"}]},{"events":[{"introduced":"5.10.8"},{"fixed":"5.10.37"}]},{"events":[{"introduced":"5.11"},{"fixed":"5.11.21"}]},{"events":[{"introduced":"5.12"},{"fixed":"5.12.4"}]}]}}],"references":[{"type":"FIX","url":"https://git.kernel.org/stable/c/2dc1554d5f0fdaf47cc5bea442b84b9226fea867"},{"type":"FIX","url":"https://git.kernel.org/stable/c/b9e569ae1da3a113b3acee8703c94777fd20938a"},{"type":"FIX","url":"https://git.kernel.org/stable/c/c764e375ae647832de1ee73d43a4bb3ef8a8f43d"},{"type":"FIX","url":"https://git.kernel.org/stable/c/d8897f7b2283a500666c85ef06e820df38ed7b52"},{"type":"FIX","url":"https://git.kernel.org/stable/c/e41a962f82e7afb5b1ee644f48ad0b3aee656268"},{"type":"FIX","url":"https://git.kernel.org/stable/c/eb949f891226c012138ffd9df90d1e509f428ae6"}],"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}