{"schema_version":"1.7.5","id":"CVE-2021-47253","published":"2024-05-21T15:15:14.160Z","modified":"2026-03-15T22:43:09.472565Z","related":["SUSE-SU-2024:2010-1","SUSE-SU-2024:2185-1"],"details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix potential memory leak in DMUB hw_init\n\n[Why]\nOn resume we perform DMUB hw_init which allocates memory:\ndm_resume->dm_dmub_hw_init->dc_dmub_srv_create->kzalloc\nThat results in memory leak in suspend/resume scenarios.\n\n[How]\nAllocate memory for the DC wrapper to DMUB only if it was not\nallocated before.\nNo need to reallocate it on suspend/resume.","affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47253.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"5.10.45"}]},{"events":[{"introduced":"5.11"},{"fixed":"5.12.12"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc1"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc2"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc3"}]},{"events":[{"introduced":"0"},{"last_affected":"5.13-rc4"}]}]}}],"references":[{"type":"FIX","url":"https://git.kernel.org/stable/c/9e8c2af010463197315fa54a6c17e74988b5259c"},{"type":"FIX","url":"https://git.kernel.org/stable/c/aa000f828e60ac15d6340f606ec4a673966f5b0b"},{"type":"FIX","url":"https://git.kernel.org/stable/c/c5699e2d863f58221044efdc3fa712dd32d55cde"}],"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}