发布于3月6日3月6日 Members SUSE: CVE-2021-47253: SUSE Linux Security Advisory Severity 5 CVSS (AV:L/AC:L/Au:S/C:N/I:N/A:C) Published 05/21/2024 Created 08/16/2024 Added 08/09/2024 Modified 01/28/2025 Description In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix potential memory leak in DMUB hw_init [Why] On resume we perform DMUB hw_init which allocates memory: dm_resume->dm_dmub_hw_init->dc_dmub_srv_create->kzalloc That results in memory leak in suspend/resume scenarios. [How] Allocate memory for the DC wrapper to DMUB only if it was not allocated before. No need to reallocate it on suspend/resume. Solution(s) suse-upgrade-kernel-64kb suse-upgrade-kernel-64kb-devel suse-upgrade-kernel-default suse-upgrade-kernel-default-base suse-upgrade-kernel-default-devel suse-upgrade-kernel-devel suse-upgrade-kernel-docs suse-upgrade-kernel-macros suse-upgrade-kernel-obs-build suse-upgrade-kernel-preempt suse-upgrade-kernel-preempt-devel suse-upgrade-kernel-source suse-upgrade-kernel-syms suse-upgrade-kernel-zfcpdump suse-upgrade-reiserfs-kmp-default References https://attackerkb.com/topics/cve-2021-47253 CVE - 2021-47253
