CVE-2023-28466

Severity CVSS v4.0:

Pending analysis

Type:

CWE-476 NULL Pointer Dereference

Publication date:

16/03/2023

Last modified:

05/05/2025

Description

do_tls_getsockopt in net/tls/tls_main.c in the Linux kernel through 6.2.6 lacks a lock_sock call, leading to a race condition (with a resultant use-after-free or NULL pointer dereference).

Impact

Vector 3.x

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

Base Score: 7.00 HIGH
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x

7.00

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	4.13 (including)	5.4.240 (including)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.177 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.105 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.20 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.2.7 (excluding)
cpe:2.3:h:netapp:h300s:-:::::::*
cpe:2.3:h:netapp:h410c:-:::::::*
cpe:2.3:h:netapp:h410s:-:::::::*
cpe:2.3:h:netapp:h500s:-:::::::*
cpe:2.3:h:netapp:h700s:-:::::::*
cpe:2.3:o:debian:debian_linux:10.0:::::::*

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

CVE-2023-28466

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools