CVE-2023-20555

CVE-2023-20555, security advisory, suse linux, suse, security, cve

CVE-2023-20555

Common Vulnerabilities and Exposures

[Previous] [Index] [Next]

Upstream information

CVE-2023-20555 at MITRE

Description

Insufficient input validation in
CpmDisplayFeatureSmm may allow an attacker to corrupt SMM memory by overwriting
an arbitrary bit in an attacker-controlled pointer potentially leading to
arbitrary code execution in SMM.

---

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having important severity.

CVSS v3 Scores

	National Vulnerability Database	SUSE
Base Score	7.8	8.2
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack Vector	Local	Local
Attack Complexity	Low	Low
Privileges Required	Low	High
User Interaction	None	None
Scope	Unchanged	Changed
Confidentiality Impact	High	High
Integrity Impact	High	High
Availability Impact	High	High
CVSSv3 Version	3.1	3.1

SUSE Bugzilla entry: 1211704 [NEW]

No SUSE Security Announcements cross referenced.

---

SUSE Timeline for this CVE

CVE page created: Tue May 23 02:00:23 2023
CVE page last modified: Sat Aug 24 19:03:53 2024