CVE-2021-47489
kernel: drm/amdgpu: Fix even more out of bound writes from debugfs
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 22, 2024
Updated · November 21, 2025
Description
A vulnerability has been identified in the Linux kernel's amdgpu_dm_debugfs.c file, part of the AMD GPU display manager debug filesystem. This flaw involves improper out-of-bounds write behaviors within a series of functions. Exploitation of these vulnerabilities could lead to memory corruption or system crashes (denial of service).
Statement
Red Hat Enterprise Linux is not impacted by this CVE, as the vulnerability in question does not affect the specific versions or configurations of the Linux kernel used in its distributions. This ensures that users of Red Hat Enterprise Linux are not exposed to the potential risks associated with this issue, and no further action or mitigation is necessary for systems running this operating system.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-787 · Out-of-bounds Write