PT-2023-2065 · Linux+6 · Linux Kernel+6

Gengjia Chen + 1 · Published 2023-01-11 · Updated 2025-04-14 · CVE-2023-1652

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

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

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

Description The issue is related to a use-after-free flaw in the NFS filesystem in the Linux Kernel, specifically in the nfsd4 ssc setup dul function in fs/nfsd/nfs4proc.c. This flaw could allow a local attacker to crash the system or lead to a kernel information leak problem. The vulnerability is associated with the repeated use of previously freed memory.

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

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2023-1434

ALT-PU-2023-1539

ALT-PU-2023-1737

ALT-PU-2023-7007

ALT-PU-2023-7682

ALT-PU-2024-4263

ALT-PU-2024-4843

AZL-25962

BDU:2023-01795

CVE-2023-1652

OPENSUSE-SU-2023_2646-1

OPENSUSE-SU-2023_2871-1

OPENSUSE-SU-2025_1195-1

RHSA-2023:6583

RHSA-2023_6583

RHSA-2025:10174

RHSA-2025:10193

RHSA-2025:10671

RHSA-2025:10675

SUSE-SU-2023:1802-1

SUSE-SU-2023:1897-1

SUSE-SU-2023:1975-1

SUSE-SU-2023:1977-1

SUSE-SU-2023:1978-1

SUSE-SU-2023:1992-1

SUSE-SU-2023:2031-1

SUSE-SU-2023:2032-1

SUSE-SU-2023:2035-1

SUSE-SU-2023:2043-1

SUSE-SU-2023:2055-1

SUSE-SU-2023:2646-1

SUSE-SU-2023:2809-1

SUSE-SU-2023:2871-1

SUSE-SU-2025:1176-1

SUSE-SU-2025:1183-1

SUSE-SU-2025:1195-1

SUSE-SU-2025:1241-1

SUSE-SU-2025_1195-1

SUSE-SU-2025_1241-1

USN-6025-1

USN-6040-1

USN-6057-1

USN-6079-1

USN-6091-1

USN-6096-1

USN-6134-1

Affected Products

Alt Linux

Astra Linux

Linux Kernel

Linuxmint

Red Hat

Suse

Ubuntu

References · 1962

• https://ubuntu.com/security/CVE-2023-21106 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:2032-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1195-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-0394 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-26544 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:2809-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-1075 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6096-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-1652 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:1802-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-1652 · Vendor Advisory
• https://access.redhat.com/security/cve/cve-2023-1652 · Patch
• https://osv.dev/vulnerability/USN-6079-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:1975-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-0459 · Vendor Advisory