Bug 2513318 (CVE-2026-68104)

Summary:	CVE-2026-68104 kernel: drm/amdgpu: invoke pm_genpd_remove() before freeing genpd
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	rhel-process-autobot, watson-tool-maintainers
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	---
Doc Text:	A flaw was found in the `drm/amdgpu` component of the Linux kernel. This vulnerability arises from improper memory handling where the `pm_genpd_remove()` function is not invoked before freeing `acp_genpd` memory. A local attacker could exploit this flaw, potentially leading to memory corruption, which may result in a denial of service or privilege escalation.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description OSIDB Bzimport 2026-08-10 12:30:39 UTC

In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu: invoke pm_genpd_remove() before freeing genpd

Call pm_genpd_remove() to unregister from global list prior to releasing
acp_genpd memory, and clear the pointer after free.

(cherry picked from commit cd8650d7a91ee8b768e202354672553faa5cc1f2)