0.0
NA
CVE-2026-46082
KVM: SVM: Inject #UD for INVLPGA if EFER.SVME=0
Description

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@]

INFO

Published Date :

May 27, 2026, 2:17 p.m.

Last Modified :

June 1, 2026, 5:17 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2026-46082 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
Solution
Update the Linux kernel to ensure #UD is injected for INVLPGA when EFER.SVME is 0.
  • Update the Linux kernel to the latest version.
  • Apply the provided patch for KVM: SVM.
  • Recompile the kernel if necessary.
  • Reboot the system after applying the update.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-46082 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-46082 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-46082 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-46082 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Jun. 01, 2026

    Action Type Old Value New Value
    Added Reference https://git.kernel.org/stable/c/491139c17f8ad5773303068411f6ac5eed438b51
    Added Reference https://git.kernel.org/stable/c/ebb63390142c6458fc37758e0892759989cc159f
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 27, 2026

    Action Type Old Value New Value
    Added Description 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@]
    Added Reference https://git.kernel.org/stable/c/3ac9d4241d205f5d0df06358349ca718ebb0fa12
    Added Reference https://git.kernel.org/stable/c/643125b66ffc1147c66616b749475ba9efb15971
    Added Reference https://git.kernel.org/stable/c/c15392ed9e49c1a16b4d3a3ccf1b3bf2318a6c28
    Added Reference https://git.kernel.org/stable/c/d99df02ff427f461102230f9c5b90a6c64ee8e23
    Added Reference https://git.kernel.org/stable/c/ee24928ecd85db4b68ed111e91fef36af0ca37b0
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.