PT-2025-18832 · Linux+4 · Linux Kernel+4

Published 2024-11-12 · Updated 2026-05-26 · CVE-2023-53068

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 kernel (affected versions not specified)

Description A issue in the Linux kernel has been identified where the packet length retrieved from a descriptor may be larger than the actual socket buffer length, leading to a leak of kernel memory contents. Additionally, an integer underflow can occur when the size is less than ETH FCS LEN. This issue is related to the lan78xx driver in the network stack.

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

Exploit

DoS

Integer Underflow

Memory Leak

Weakness Enumeration

CWE-191

CWE-401

Related Identifiers

ALSA-2025_12746

ALSA-2025_12752

ALSA-2025_12753

ALSA-2025_16880

AZL-70126

BDU:2025-14128

CVE-2023-53068

RHSA-2024:9315

RHSA-2024_9315

SUSE-SU-2025:01918-1

SUSE-SU-2025:01966-1

SUSE-SU-2025:01983-1

SUSE-SU-2025:02173-1

SUSE-SU-2025:02262-1

SUSE-SU-2025:2173-1

SUSE-SU-2025_01983-1

SUSE-SU-2025_02173-1

SUSE-SU-2025_02262-1

Affected Products

Debian

Linux Kernel

Red Hat

Red Os

Suse

References · 657

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53068.json · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53068 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53068 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-70126 · Vendor Advisory
• https://git.kernel.org/stable/c/7f247f5a2c18b3f21206cdd51193df4f38e1b9f5 · Patch
• https://security-tracker.debian.org/tracker/CVE-2023-53068 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-53068 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:02173-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-53068 · Security Note
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2023-53068 · Vendor Advisory
• https://git.kernel.org/stable/c/44b9ed73369fc5ec85dd2ee487e986301792a82d · Patch
• https://bdu.fstec.ru/vul/2025-14128 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:01918-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:01983-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:01966-1 · Vendor Advisory