CVE-2023-6932

Severity CVSS v4.0:

Pending analysis

Type:

CWE-416 Use After Free

Publication date:

19/12/2023

Last modified:

25/11/2025

Description

A use-after-free vulnerability in the Linux kernel&#39;s ipv4: igmp component can be exploited to achieve local privilege escalation.<br /> <br /> A race condition can be exploited to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread.<br /> <br /> We recommend upgrading past commit e2b706c691905fe78468c361aaabc719d0a496f1.

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:debian:debian_linux:10.0:::::::*
cpe:2.3:o:linux:linux_kernel::::::::		4.14.332 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.15 (including)	4.19.301 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.263 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.203 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.142 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.66 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.6.5 (excluding)

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

CVE-2023-6932

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools