Bug 2324337 (CVE-2024-50149)

Summary:	CVE-2024-50149 kernel: drm/xe: Don't free job in TDR
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	dfreiber, drow, jburrell, vkumar
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2324382
Bug Blocks:

Description OSIDB Bzimport 2024-11-07 10:02:44 UTC

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

drm/xe: Don't free job in TDR

Freeing job in TDR is not safe as TDR can pass the run_job thread
resulting in UAF. It is only safe for free job to naturally be called by
the scheduler. Rather free job in TDR, add to pending list.

(cherry picked from commit ea2f6a77d0c40d97f4a4dc93fee4afe15d94926d)

Comment 1 Robb Gatica 2024-11-07 15:50:36 UTC

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024110744-CVE-2024-50149-8ac4@gregkh/T