What is the CVSS score of CVE-2023-4891?

CVE-2023-4891 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.2%.

Is there a patch available for CVE-2023-4891?

Yes, a patch is available for CVE-2023-4891. Update the affected software to the latest version immediately.

View Driver CVE-2023-4891

MEDIUM

Use After Free (CWE-416)

2023-11-08 psirt@lenovo.com

Use After Free Lenovo Denial Of Service Memory Corruption View Driver

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Nov 08, 2023 - 22:15 nvd

MEDIUM 5.5

DescriptionNVD

A potential use-after-free vulnerability was reported in the Lenovo View driver that could result in denial of service.

AnalysisAI

A potential use-after-free vulnerability was reported in the Lenovo View driver that could result in denial of service. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Technical ContextAI

This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. A potential use-after-free vulnerability was reported in the Lenovo View driver that could result in denial of service. Affected products include: Lenovo View Driver.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.