CVE-2023-3812

Severity CVSS v4.0:

Pending analysis

Type:

CWE-416 Use After Free

Publication date:

24/07/2023

Last modified:

25/04/2024

Description

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.80

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	4.15 (including)	4.19.265 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.224 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.154 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.78 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.0.8 (excluding)
cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
cpe:2.3:o:redhat:enterprise_linux:9.0:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2023-3812

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools