---
id: CVE-2026-46082
title: 'KVM: SVM: Inject #UD for INVLPGA if EFER.SVME=0'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  KVM: SVM: Inject #UD for INVLPGA if EFER.SVME=0

  INVLPGA should cause a #UD when EFER.SVME is not set. Add a check to
  properly inject #UD when EFER.SVME=0.

  [sean: tag …
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= ff092385e8285c03d8b148f42f46f98c5f4becd5 <
    ebb63390142c6458fc37758e0892759989cc159f
  - >-
    Linux >= ff092385e8285c03d8b148f42f46f98c5f4becd5 <
    491139c17f8ad5773303068411f6ac5eed438b51
  - >-
    Linux >= ff092385e8285c03d8b148f42f46f98c5f4becd5 <
    3ac9d4241d205f5d0df06358349ca718ebb0fa12
  - >-
    Linux >= ff092385e8285c03d8b148f42f46f98c5f4becd5 <
    643125b66ffc1147c66616b749475ba9efb15971
  - >-
    Linux >= ff092385e8285c03d8b148f42f46f98c5f4becd5 <
    c15392ed9e49c1a16b4d3a3ccf1b3bf2318a6c28
  - >-
    Linux >= ff092385e8285c03d8b148f42f46f98c5f4becd5 <
    ee24928ecd85db4b68ed111e91fef36af0ca37b0
  - >-
    Linux >= ff092385e8285c03d8b148f42f46f98c5f4becd5 <
    d99df02ff427f461102230f9c5b90a6c64ee8e23
  - Linux 2.6.32
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-06T16:07:35.472588Z'
published: '2026-05-27'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T16:13:36.387Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-46082'
references:
  - url: 'https://git.kernel.org/stable/c/ebb63390142c6458fc37758e0892759989cc159f'
  - url: 'https://git.kernel.org/stable/c/491139c17f8ad5773303068411f6ac5eed438b51'
  - url: 'https://git.kernel.org/stable/c/3ac9d4241d205f5d0df06358349ca718ebb0fa12'
  - url: 'https://git.kernel.org/stable/c/643125b66ffc1147c66616b749475ba9efb15971'
  - url: 'https://git.kernel.org/stable/c/c15392ed9e49c1a16b4d3a3ccf1b3bf2318a6c28'
  - url: 'https://git.kernel.org/stable/c/ee24928ecd85db4b68ed111e91fef36af0ca37b0'
  - url: 'https://git.kernel.org/stable/c/d99df02ff427f461102230f9c5b90a6c64ee8e23'
tags:
  - cve.org
epss: 0.00123
epssPercentile: 0.02032
ingestedAt: '2026-11-06T16:57:43.342Z'
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

KVM: SVM: Inject #UD for INVLPGA if EFER.SVME=0

INVLPGA should cause a #UD when EFER.SVME is not set. Add a check to
properly inject #UD when EFER.SVME=0.

[sean: tag for stable@]

## Affected

- `Linux >= ff092385e8285c03d8b148f42f46f98c5f4becd5 < ebb63390142c6458fc37758e0892759989cc159f`
- `Linux >= ff092385e8285c03d8b148f42f46f98c5f4becd5 < 491139c17f8ad5773303068411f6ac5eed438b51`
- `Linux >= ff092385e8285c03d8b148f42f46f98c5f4becd5 < 3ac9d4241d205f5d0df06358349ca718ebb0fa12`
- `Linux >= ff092385e8285c03d8b148f42f46f98c5f4becd5 < 643125b66ffc1147c66616b749475ba9efb15971`
- `Linux >= ff092385e8285c03d8b148f42f46f98c5f4becd5 < c15392ed9e49c1a16b4d3a3ccf1b3bf2318a6c28`
- `Linux >= ff092385e8285c03d8b148f42f46f98c5f4becd5 < ee24928ecd85db4b68ed111e91fef36af0ca37b0`
- `Linux >= ff092385e8285c03d8b148f42f46f98c5f4becd5 < d99df02ff427f461102230f9c5b90a6c64ee8e23`
- `Linux 2.6.32`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.