PT-2026-4368 · Linux+2 · Linux Kernel+2

Published 2025-01-01 · Updated 2026-06-02 · CVE-2025-71155

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 A flaw exists in the Linux kernel’s KVM component related to the gmap helper zap one page() function. Missing checks within this function could lead to memory corruption in guest virtual machines under certain conditions. The issue was addressed by adding the necessary checks.

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

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2025-71155

USN-8277-1

USN-8277-2

USN-8310-1

USN-8374-1

Affected Products

Linux Kernel

Linuxmint

Ubuntu

References · 63

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71155.json · Exploit
• https://git.kernel.org/stable/c/2f393c228cc519ddf19b8c6c05bf15723241aa96 · Patch
• https://ubuntu.com/security/CVE-2026-47328 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-46300 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-43078 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-47332 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-47329 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-71144 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-43494 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-46000 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-8277-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-47337 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-8277-1 · Vendor Advisory
• https://git.kernel.org/stable/c/2af2abbcbf8573100288e8f8aea2dab8a2a0ceb7 · Patch
• https://ubuntu.com/security/notices/USN-8374-1 · Vendor Advisory