CVE-2026-98779
kernel: drm/amdgpu: fix ACP MFD device leak on init failure
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 18, 2026
Updated · October 23, 2026
Description
A flaw was found in the Linux kernel's AMD GPU (amdgpu) driver. During Audio CoProcessor (ACP) hardware initialization, child multi-function devices are not properly released if a power domain attachment fails or a hardware reset times out. This issue causes an internal resource leak, which may lead to system instability or a Denial of Service (DoS).
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
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 1.9CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
CWE-772 · Missing Release of Resource after Effective Lifetime