{"id":"CVE-2022-49893","summary":"cxl/region: Fix cxl_region leak, cleanup targets at region delete","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ncxl/region: Fix cxl_region leak, cleanup targets at region delete\n\nWhen a region is deleted any targets that have been previously assigned\nto that region hold references to it. Trigger those references to\ndrop by detaching all targets at unregister_region() time.\n\nOtherwise that region object will leak as userspace has lost the ability\nto detach targets once region sysfs is torn down.","modified":"2026-04-02T08:28:02.091733Z","published":"2025-05-01T14:10:36.503Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49893.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0d9e734018d70cecf79e2e4c6082167160a0f13f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/45d9fb4b758b9d602ee7776eb6754b0349946aad"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49893.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49893"},{"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":"b9686e8c8e39d4072081ef078c04915ee51c8af4"},{"fixed":"45d9fb4b758b9d602ee7776eb6754b0349946aad"},{"fixed":"0d9e734018d70cecf79e2e4c6082167160a0f13f"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49893.json"}}],"schema_version":"1.7.5"}