Bug 1227833 (CVE-2024-40936)

Summary:	VUL-0: CVE-2024-40936: kernel: cxl/region: fix memregion leaks in devm_cxl_add_region()
Product:	[Novell Products] SUSE Security Incidents	Reporter:	SMASH SMASH <smash_bz>
Component:	Incidents	Assignee:	Security Team bot <security-team>
Status:	RESOLVED FIXED	QA Contact:	Security Team bot <security-team>
Severity:	Normal
Priority:	P3 - Medium	CC:	camila.matos, miroslav.franc
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/413863/
Whiteboard:	CVSSv3.1:SUSE:CVE-2024-40936:4.4:(AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L)
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description SMASH SMASH 2024-07-15 13:47:25 UTC

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

cxl/region: Fix memregion leaks in devm_cxl_add_region()

Move the mode verification to __create_region() before allocating the
memregion to avoid the memregion leaks.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-40936
https://www.cve.org/CVERecord?id=CVE-2024-40936
https://git.kernel.org/stable/c/49ba7b515c4c0719b866d16f068e62d16a8a3dd1
https://git.kernel.org/stable/c/bbb5d8746381c82f7e0fb6171094d375b492f266
https://git.kernel.org/stable/c/d8316838aa0686da63a8be4194b7a17b0103ae4a
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-40936.mbox