PT-2025-22227 · Linux+4 · Linux Kernel+4

Published 2025-05-20 · Updated 2026-03-13 · CVE-2025-37966

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 kernel crash issue has been identified in the Linux kernel. The crash occurs when userspace invokes PR SET TAGGED ADDR CTRL, but the Supm extension is not available. This results in an illegal instruction error. The issue is resolved by checking if the Supm extension is available before proceeding with the PR SET TAGGED ADDR CTRL operation.

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

Exploit

Exposure of Resource to Wrong Sphere

Weakness Enumeration

CWE-668

Related Identifiers

CVE-2025-37966

USN-7699-1

USN-7699-2

USN-7721-1

Affected Products

Astra Linux

Debian

Linuxmint

Linux Kernel

Ubuntu

References · 125

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37966.json · Exploit
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-13-CVE-2025-37966 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37968 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37955 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37954 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37911 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7721-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37917 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37898 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38083 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37956 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37930 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-38019 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37963 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-37921 · Vendor Advisory