{"id":"CVE-2021-47420","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: fix a potential ttm-\u003esg memory leak\n\nMemory is allocated for ttm-\u003esg by kmalloc in kfd_mem_dmamap_userptr,\nbut isn't freed by kfree in kfd_mem_dmaunmap_userptr. Free it!","modified":"2026-03-15T22:43:13.272626Z","published":"2024-05-21T15:15:27.450Z","related":["SUSE-SU-2024:2008-1","SUSE-SU-2024:2011-1","SUSE-SU-2024:2019-1","SUSE-SU-2024:2189-1","SUSE-SU-2024:2190-1"],"references":[{"type":"FIX","url":"https://git.kernel.org/stable/c/7e5ce6029b627efb4a004746cfdc1eeff850e6eb"},{"type":"FIX","url":"https://git.kernel.org/stable/c/b072ef1215aca33186e3a10109e872e528a9e516"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"5.14"},{"fixed":"5.14.12"}]},{"events":[{"introduced":"0"},{"last_affected":"5.15-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"5.15-rc2"}]},{"events":[{"introduced":"0"},{"last_affected":"5.15-rc3"}]},{"events":[{"introduced":"0"},{"last_affected":"5.15-rc4"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47420.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:N/I:N/A:H"}]}