CVE-2024-38612

Severity CVSS v4.0:

Pending analysis

Type:

CWE-416 Use After Free

Publication date:

19/06/2024

Last modified:

01/04/2025

Description

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix invalid unregister error path The error path of seg6_init() is wrong in case CONFIG_IPV6_SEG6_LWTUNNEL is not defined. In that case if seg6_hmac_init() fails, the genl_unregister_family() isn&#39;t called. This issue exist since commit 46738b1317e1 ("ipv6: sr: add option to control lwtunnel support"), and commit 5559cea2d5aa ("ipv6: sr: fix possible use-after-free and null-ptr-deref") replaced unregister_pernet_subsys() with genl_unregister_family() in this error path.

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::::::::	4.10 (including)	4.19.316 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.278 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.219 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.161 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.93 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.6.33 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.7 (including)	6.8.12 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.9 (including)	6.9.3 (excluding)

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

CVE-2024-38612

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools