Bug 1219902 (CVE-2023-31346)

Summary:	VUL-0: CVE-2023-31346: kernel-firmware: Failure to initialize memory in SEV Firmware may allow a privileged attacker to access stale data from other guests.
Product:	[Novell Products] SUSE Security Incidents	Reporter:	SMASH SMASH <smash_bz>
Component:	Incidents	Assignee:	Security Team bot <security-team>
Status:	RESOLVED INVALID	QA Contact:	Security Team bot <security-team>
Severity:	Normal
Priority:	P3 - Medium	CC:	thomas.leroy
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/393993/
Whiteboard:	CVSSv3.1:SUSE:CVE-2023-31346:5.5:(AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description SMASH SMASH 2024-02-14 08:24:16 UTC

Failure to initialize
memory in SEV Firmware may allow a privileged attacker to access stale data
from other guests.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-31346
https://www.cve.org/CVERecord?id=CVE-2023-31346
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3007

Comment 1 Takashi Iwai 2024-02-20 16:34:02 UTC

Judging from bsc#1219903 info, it seems about BIOS firmware.
Reassigned back to security team.

Comment 2 Thomas Leroy 2024-02-20 16:48:06 UTC

Thanks Takashi. Closing