CVE-2022-47943

Severity CVSS v4.0:

Pending analysis

Type:

CWE-125 Out-of-bounds Read

Publication date:

23/12/2022

Last modified:

15/04/2025

Description

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is an out-of-bounds read and OOPS for SMB2_WRITE, when there is a large length in the zero DataOffset case.

Impact

Vector 3.x

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

Base Score: 8.10 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

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

Base Score 3.x

8.10

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	5.15 (including)	5.15.62 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	5.18.18 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.19 (including)	5.19.2 (excluding)

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

CVE-2022-47943

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools