CVE-2026-46082 (GCVE-0-2026-46082)

Vulnerability from cvelistv5 – Published: 2026-05-27 12:58 – Updated: 2026-06-14 17:53
VLAI
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 for stable@]
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: ff092385e8285c03d8b148f42f46f98c5f4becd5 , < ebb63390142c6458fc37758e0892759989cc159f (git)
Affected: ff092385e8285c03d8b148f42f46f98c5f4becd5 , < 491139c17f8ad5773303068411f6ac5eed438b51 (git)
Affected: ff092385e8285c03d8b148f42f46f98c5f4becd5 , < 3ac9d4241d205f5d0df06358349ca718ebb0fa12 (git)
Affected: ff092385e8285c03d8b148f42f46f98c5f4becd5 , < 643125b66ffc1147c66616b749475ba9efb15971 (git)
Affected: ff092385e8285c03d8b148f42f46f98c5f4becd5 , < c15392ed9e49c1a16b4d3a3ccf1b3bf2318a6c28 (git)
Affected: ff092385e8285c03d8b148f42f46f98c5f4becd5 , < ee24928ecd85db4b68ed111e91fef36af0ca37b0 (git)
Affected: ff092385e8285c03d8b148f42f46f98c5f4becd5 , < d99df02ff427f461102230f9c5b90a6c64ee8e23 (git)
guessed Create a notification for this product.
Linux Linux Affected: 2.6.32
Unaffected: 0 , < 2.6.32 (semver)
Unaffected: 5.15.209 , ≤ 5.15.* (semver)
Unaffected: 6.1.175 , ≤ 6.1.* (semver)
Unaffected: 6.6.140 , ≤ 6.6.* (semver)
Unaffected: 6.12.86 , ≤ 6.12.* (semver)
Unaffected: 6.18.27 , ≤ 6.18.* (semver)
Unaffected: 7.0.4 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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      "source": "Red Hat CSAF VEX",
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      "title": "kernel: KVM: SVM: Inject #UD for INVLPGA if EFER.SVME=0",
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      "status": "interim",
      "title": "SUSE CVE CVE-2026-46082",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-46082.json",
      "version": "12"
    }
  }
}



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Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.