PT-2025-38190 · Linux+3 · Linux Kernel+3

Published 2023-05-22 · Updated 2025-12-11 · CVE-2023-53340

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

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

Description The Linux kernel contains an issue where the mlx5 driver attempts to collect failure data for general commands not used by mlx5, leading to an array-index-out-of-bounds error. This occurs because the driver tries to store failure data for commands it doesn't recognize, resulting in an error when accessing an undefined array index.

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

Exploit

Memory Corruption

Improper Validation of Array Index

Weakness Enumeration

CWE-787

CWE-129

Related Identifiers

BDU:2026-02057

CVE-2023-53340

SUSE-SU-2025:03615-1

SUSE-SU-2025:3761-1

Affected Products

Astra Linux

Linux Kernel

Suse

Mlx5

References · 837

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53340.json · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53340 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-53340 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-53340 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-53340 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:3761-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53340 · Vendor Advisory
• https://git.kernel.org/stable/c/411e4d6caa7f7169192b8dacc8421ac4fd64a354 · Patch
• https://bdu.fstec.ru/vul/2026-02057 · Security Note
• https://git.kernel.org/stable/c/d8b6f175235d7327b4e1b13216859e89496dfbd5 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:03615-1 · Vendor Advisory
• https://git.kernel.org/stable/c/2a0a935fb64ee8af253b9c6133bb6702fb152ac2 · Patch
• https://cve.org/CVERecord?id=CVE-2023-53340 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-53340 · Security Note
• https://osv.dev/vulnerability/BELL-CVE-2023-53340 · Vendor Advisory