PT-2026-4359 · Linux+2 · Linux Kernel+2

Published 2025-01-01 · Updated 2026-05-07 · CVE-2025-71146

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 flaw exists in the Linux kernel's netfilter module, specifically within the nf conncount component. The issue involves potential connection tracking (ct) leaks occurring along error paths due to missing reference counting checks. This can lead to resource exhaustion.

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

Exploit

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

CVE-2025-71146

USN-8177-1

USN-8177-2

USN-8183-1

USN-8183-2

USN-8245-1

USN-8257-1

Affected Products

Linuxmint

Linux Kernel

Ubuntu

References · 177

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71146.json · Exploit
• https://ubuntu.com/security/CVE-2025-71073 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-71098 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-8183-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-68805 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-71080 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-71131 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-71146 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-68822 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-71132 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-71104 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-68803 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-71084 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-71102 · Vendor Advisory
• https://osv.dev/vulnerability/USN-8177-1 · Vendor Advisory