CVE-2024-40920

Severity CVSS v4.0:

Pending analysis

Type:

CWE-416 Use After Free

Publication date:

12/07/2024

Last modified:

03/11/2025

Description

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: fix suspicious rcu usage in br_mst_set_state I converted br_mst_set_state to RCU to avoid a vlan use-after-free but forgot to change the vlan group dereference helper. Switch to vlan group RCU deref helper to fix the suspicious rcu usage warning.

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::::::::	6.1.93 (including)	6.1.95 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.6.33 (including)	6.6.35 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.8.12 (including)	6.9 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.9.3 (including)	6.9.6 (excluding)
cpe:2.3:o:linux:linux_kernel:6.10:rc1::::::
cpe:2.3:o:linux:linux_kernel:6.10:rc2::::::
cpe:2.3:o:linux:linux_kernel:6.10:rc3::::::

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

CVE-2024-40920

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools