PT-2022-6573 · Linux+6 · Linux+6

Wei Chen · Published 2022-12-06 · Updated 2024-12-17 · CVE-2023-2166

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux (affected versions not specified)

Description The issue is related to a null pointer dereference in the can protocol in the net/can/af can.c module of the Linux kernel. This occurs because ml priv may not be initialized in the receive path of CAN frames. A local user could exploit this to crash the system or potentially cause a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALSA-2024:0897

ALT-PU-2022-3364

ALT-PU-2022-3371

ALT-PU-2023-1023

ALT-PU-2023-1064

ALT-PU-2023-1684

ALT-PU-2023-1741

ALT-PU-2023-1814

ALT-PU-2023-4894

ALT-PU-2023-6565

AZL-26340

BDU:2023-02527

CESA-2024_0881

CESA-2024_0897

CVE-2023-2166

OESA-2023-1274

OESA-2023-1275

OPENSUSE-SU-2023_3302-1

OPENSUSE-SU-2023_3311-1

OPENSUSE-SU-2023_3313-1

OPENSUSE-SU-2023_3318-1

OPENSUSE-SU-2023_3376-1

OPENSUSE-SU-2023_3377-1

OPENSUSE-SU-2024_3983-1

OPENSUSE-SU-2024_3985-1

OPENSUSE-SU-2024_4131-1

RHSA-2024:0439

RHSA-2024:0448

RHSA-2024:0461

RHSA-2024:0724

RHSA-2024:0881

RHSA-2024:0897

RHSA-2024:1250

RHSA-2024:1306

RHSA-2024:1367

RHSA-2024:1382

RHSA-2024:1404

RHSA-2024:3528

RHSA-2024_0461

RHSA-2024_0881

RHSA-2024_0897

SUSE-SU-2023:3302-1

SUSE-SU-2023:3311-1

SUSE-SU-2023:3313-1

SUSE-SU-2023:3318-1

SUSE-SU-2023:3376-1

SUSE-SU-2023:3377-1

SUSE-SU-2024:3983-1

SUSE-SU-2024:3985-1

SUSE-SU-2024:4082-1

SUSE-SU-2024:4131-1

SUSE-SU-2024:4364-1

Affected Products

Alt Linux

Almalinux

Astra Linux

Centos

Linux

Red Hat

Suse

References · 1228

• https://osv.dev/vulnerability/SUSE-SU-2023:3377-1 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2024-0461.html · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-2166 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-2166 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-2166 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2024:0897 · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2024-0897.html · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:3313-1 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2024-0897.html · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:4364-1 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2023-1274 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-2166 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:3311-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:3302-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:3985-1 · Vendor Advisory