CVE-2022-47939

Severity CVSS v4.0:

Pending analysis

Type:

CWE-416 Use After Free

Publication date:

23/12/2022

Last modified:

16/05/2023

Description

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c has a use-after-free and OOPS for SMB2_TREE_DISCONNECT.

Impact

Vector 3.x

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

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x

9.80

Severity 3.x

CRITICAL

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	5.15 (including)	5.15.61 (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-2022-47939

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools