PT-2026-44254 · Linux · Linux Kernel

CVE-2026-46131 · Published 2026-05-28 · Updated 2026-07-20

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 versions prior to 7.0.11-1.1

Description An issue exists in the KVM x86 component regarding slow flush hypercalls. The use of the is guest mode(vcpu) function is incorrect because translate nested gpa() is only valid when an L2 guest is running with nested Extended Page Tables (EPT) or Nested Page Tables (NPT) enabled. EPT and NPT are hardware-assisted virtualization technologies used to map guest physical addresses to host physical addresses.

Recommendations Update to version 7.0.11-1.1.

Exploit

Fix

Related Identifiers

CVE-2026-46131

OPENSUSE-SU-2026:10954-1

SUSE-SU-2026:3130-1

USN-8566-1

USN-8567-1

USN-8568-1

USN-8569-1

Affected Products

Linux Kernel

References · 2461

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46131.json · Exploit
• https://ubuntu.com/security/CVE-2026-23339 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-53122 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-31583 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-23330 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-46226 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-31577 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-43457 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-53033 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-53041 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-43057 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-43424 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-47326 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-52999 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-53112 · Vendor Advisory