CVE-2024-46742

Severity CVSS v4.0:

Pending analysis

Type:

CWE-476 NULL Pointer Dereference

Publication date:

18/09/2024

Last modified:

02/05/2025

Description

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix potential null-ptr-deref of lease_ctx_info in smb2_open() null-ptr-deref will occur when (req_op_level == SMB2_OPLOCK_LEVEL_LEASE) and parse_lease_state() return NULL. Fix this by check if 'lease_ctx_info' is NULL. Additionally, remove the redundant parentheses in parse_durable_handle_context().

Impact

Vector 3.x

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

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::		6.6.51 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.7 (including)	6.10.10 (excluding)
cpe:2.3:o:linux:linux_kernel:6.11:rc1::::::
cpe:2.3:o:linux:linux_kernel:6.11:rc2::::::
cpe:2.3:o:linux:linux_kernel:6.11:rc3::::::
cpe:2.3:o:linux:linux_kernel:6.11:rc4::::::

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

CVE-2024-46742

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools