Bug 1222043 (CVE-2023-45931)

Summary:	VUL-0: CVE-2023-45931: Mesa: NULL pointer dereference in check_xshm()
Product:	[Novell Products] SUSE Security Incidents	Reporter:	SMASH SMASH <smash_bz>
Component:	Incidents	Assignee:	Stefan Dirsch <sndirsch>
Status:	IN_PROGRESS ---	QA Contact:	Security Team bot <security-team>
Severity:	Normal
Priority:	P3 - Medium	CC:	carlos.lopez, gfx-bugs, gfx-enterprise-bugs
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/399109/
Whiteboard:	CVSSv3.1:SUSE:CVE-2023-45931:4.2:(AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H)
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description SMASH SMASH 2024-03-27 10:08:41 UTC

Mesa 23.0.4 was discovered to contain a NULL pointer dereference in check_xshm() for the has_error state. NOTE: this is disputed because there is no scenario in which the vulnerability was demonstrated.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-45931
https://seclists.org/fulldisclosure/2024/Jan/71
https://www.cve.org/CVERecord?id=CVE-2023-45931
https://gitlab.freedesktop.org/mesa/mesa/-/issues/9859