PT-2023-5917 · Linux+9 · Linux Kernel+9

Lucas Leong · Published 2023-07-26 · Updated 2024-12-19 · CVE-2023-39189

Positive Technologies (AI Summary)

CVSS v3.1

6.0

Medium

Base vector

AV:L/AC:L/PR:H/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 A flaw was found in the Netfilter subsystem in the Linux kernel. The nfnl osf add callback function did not validate the user mode controlled opt num field. This flaw allows a local privileged (CAP NET ADMIN) attacker to trigger an out-of-bounds read, leading to a crash or information disclosure.

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

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

ALSA-2024:2394

ALSA-2024:2950

ALSA-2024:3138

ALT-PU-2023-7004

ALT-PU-2023-7185

ALT-PU-2023-7787

ALT-PU-2023-7838

ALT-PU-2024-14046

ALT-PU-2024-6818

AZL-31267

BDU:2023-06613

CESA-2024_2950

CESA-2024_3138

CVE-2023-39189

DLA-3710-1

INFSA-2024_2394

INFSA-2024_2950

INFSA-2024_3138

MGASA-2023-0328

MGASA-2023-0331

OESA-2023-1759

OESA-2023-1760

OESA-2023-1781

OESA-2023-1782

OESA-2023-1783

OPENSUSE-SU-2023_4343-1

OPENSUSE-SU-2023_4345-1

OPENSUSE-SU-2023_4347-1

OPENSUSE-SU-2023_4348-1

OPENSUSE-SU-2023_4351-1

OPENSUSE-SU-2023_4375-1

OPENSUSE-SU-2023_4378-1

OPENSUSE-SU-2023_4414-1

RHSA-2024:2394

RHSA-2024:2950

RHSA-2024:3138

RHSA-2024_2394

RHSA-2024_2950

RHSA-2024_3138

RLSA-2024:2950

RLSA-2024:3138

SUSE-SU-2023:4343-1

SUSE-SU-2023:4345-1

SUSE-SU-2023:4346-1

SUSE-SU-2023:4347-1

SUSE-SU-2023:4348-1

SUSE-SU-2023:4349-1

SUSE-SU-2023:4351-1

SUSE-SU-2023:4358-1

SUSE-SU-2023:4359-1

SUSE-SU-2023:4375-1

SUSE-SU-2023:4377-1

SUSE-SU-2023:4378-1

SUSE-SU-2023:4414-1

SUSE-SU-2024:0112-1

USN-6461-1

USN-6494-1

USN-6494-2

USN-6532-1

USN-6534-1

USN-6534-2

USN-6534-3

USN-6536-1

USN-6537-1

USN-6548-1

USN-6548-2

USN-6548-3

USN-6548-4

USN-6548-5

USN-6549-1

USN-6549-2

USN-6549-3

USN-6549-4

USN-6549-5

USN-6573-1

USN-6635-1

ZDI-24-592

Affected Products

Alt Linux

Almalinux

Astra Linux

Centos

Linux Kernel

Linuxmint

Red Hat

Rocky Linux

Suse

Ubuntu

References · 528

• https://ubuntu.com/security/CVE-2023-4921 · Vendor Advisory
• https://errata.almalinux.org/9/ALSA-2024-2394.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-32246 · Security Note
• https://ubuntu.com/security/notices/USN-6534-1 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2023-0328 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-2898 · Security Note
• https://ubuntu.com/security/CVE-2023-3006 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:4349-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-20593 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2023-0328.html · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2023:4351-1 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2024:3138 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6548-4 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-39189 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-5717 · Vendor Advisory