PT-2022-6436 · Linux+7 · Linux Kernel+7

Wei Chen · Published 2022-11-18 · Updated 2025-03-11 · CVE-2023-1382

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:L/Au:S/C:N/I:N/A:C

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

Description The issue is related to a data race flaw in the Linux kernel's implementation of the TIPC protocol, which can lead to a NULL pointer dereference. This flaw is located between where con is allocated and con->sock is set, specifically when accessing con->sock->sk in net/tipc/topsrv.c. The exploitation of this issue may allow a remote attacker to cause a denial of service.

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

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALSA-2023:2148

ALSA-2023:2458

ALSA-2023:7077

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

AZL-26315

BDU:2023-01285

CESA-2023_6901

CESA-2023_7077

CVE-2023-1382

OESA-2023-1180

OESA-2023-1187

OESA-2023-1188

OESA-2023-1197

OPENSUSE-SU-2023_2646-1

OPENSUSE-SU-2023_2871-1

OPENSUSE-SU-2025_0201-1

OPENSUSE-SU-2025_0229-1

RHSA-2023:2148

RHSA-2023:2458

RHSA-2023:6901

RHSA-2023:7077

RHSA-2023_2148

RHSA-2023_2458

RHSA-2023_6901

RHSA-2023_7077

RHSA-2024:0412

RHSA-2024:1404

SUSE-SU-2023:1800-1

SUSE-SU-2023:1811-1

SUSE-SU-2023:1892-1

SUSE-SU-2023:2500-1

SUSE-SU-2023:2646-1

SUSE-SU-2023:2653-1

SUSE-SU-2023:2782-1

SUSE-SU-2023:2809-1

SUSE-SU-2023:2871-1

SUSE-SU-2025:0201-1

SUSE-SU-2025:0201-2

SUSE-SU-2025:0229-1

SUSE-SU-2025_0201-1

SUSE-SU-2025_0201-2

USN-6000-1

USN-6739-1

USN-6740-1

Affected Products

Alt Linux

Almalinux

Astra Linux

Centos

Linux Kernel

Red Hat

Suse

Ubuntu

References · 1094

• https://osv.dev/vulnerability/OESA-2023-1180 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-1382 · Security Note
• https://cve.org/CVERecord?id=CVE-2023-1382 · Security Note
• https://ubuntu.com/security/CVE-2023-52451 · Vendor Advisory
• https://errata.almalinux.org/9/ALSA-2023-2458.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-1838 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-3521 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-1382 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-24023 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-20422 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-0045 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-41218 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:0229-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-1998 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-4139 · Vendor Advisory