{"id":"CVE-2022-48638","summary":"cgroup: cgroup_get_from_id() must check the looked-up kn is a directory","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ncgroup: cgroup_get_from_id() must check the looked-up kn is a directory\n\ncgroup has to be one kernfs dir, otherwise kernel panic is caused,\nespecially cgroup id is provide from userspace.","modified":"2026-05-18T05:55:14.343064890Z","published":"2024-04-28T12:59:37.596Z","related":["SUSE-SU-2024:1641-1","SUSE-SU-2024:1642-1","SUSE-SU-2024:1644-1","SUSE-SU-2024:1645-1","SUSE-SU-2024:1647-1","SUSE-SU-2024:1659-1","SUSE-SU-2024:1663-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48638.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1e9571887f97b17cf3ffe9aa4da89090ea60988b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8484a356cee8ce3d6a8e6266ff99be326e9273ad"},{"type":"WEB","url":"https://git.kernel.org/stable/c/df02452f3df069a59bc9e69c84435bf115cb6e37"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48638.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-48638"},{"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":"6b658c4863c15936872a93c9ee879043bf6393c9"},{"fixed":"8484a356cee8ce3d6a8e6266ff99be326e9273ad"},{"fixed":"1e9571887f97b17cf3ffe9aa4da89090ea60988b"},{"fixed":"df02452f3df069a59bc9e69c84435bf115cb6e37"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-48638.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.14.0"},{"fixed":"5.15.72"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"5.19.12"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-48638.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:L/I:L/A:L"}]}