PT-2025-22216 · Linux+4 · Linux Kernel+4

Bui Quang Minh · Published 2025-05-05 · Updated 2026-02-27 · CVE-2025-37955

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 memory leak issue has been identified in the Linux kernel, specifically in the virtio-net component. The leak occurs on the error path of the virtnet xsk pool enable() function. This issue was revealed by selftests added to the Continuous Integration (CI) system. The memory leak is associated with unreferenced objects, and a backtrace is provided, indicating the involvement of functions such as kvmalloc node noprof, virtnet xsk pool enable, and xsk bind.

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

BDU:2025-12031

CVE-2025-37955

OPENSUSE-SU-2026:20287-1

SUSE-SU-2026:20555-1

SUSE-SU-2026:20599-1

SUSE-SU-2026:20615-1

USN-7699-1

USN-7699-2

USN-7721-1

Affected Products

Astra Linux

Linuxmint

Linux Kernel

Red Os

Ubuntu

References · 582

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37955.json · Exploit
• https://ubuntu.com/security/CVE-2025-37911 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37956 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37965 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-37955 · Security Note
• https://ubuntu.com/security/CVE-2025-37962 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37916 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37961 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38002 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-37955 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37934 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38006 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37991 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37933 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37949 · Vendor Advisory