CVE-2026-63940
CVSS 9.3 · KritikNVD: Modified
Açıklama (NVD)
In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Ignore Port I/O requests of length '0' Explicitly ignore Port I/O requests of length '0' (or count '0'), so that setting up the software scratch area (and other code) doesn't have to worry about underflowing the length, and to allow for WARNing on trying to configure the scratch area with len==0.
Yayın: 19.07.2026 · Son değişiklik: 30.10.2026 · Zayıflık: CWE-191, CWE-190
CVSS 3.1 metrikleri
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
| Saldırı vektörü | Yerel |
| Karmaşıklık | Düşük |
| Gereken yetki | Yok |
| Kullanıcı etkileşimi | Gerekmez |
| Kapsam | Değişir |
| Gizlilik | Yüksek |
| Bütünlük | Yüksek |
| Erişilebilirlik | Yüksek |
Hesaplanan temel puan: 9.3. CVSS hesaplayıcıda incele
Referanslar
- https://git.kernel.org/stable/c/2254972d4d69e279ba4e87bf0968eb08ad0d3c92
- https://git.kernel.org/stable/c/3988bd2723de407ae90fa7a6f6029b4e60238c58
- https://git.kernel.org/stable/c/3b6035bc6bff20e89752ce4358bc4c9a9d5883f2
- https://git.kernel.org/stable/c/bbd3a27e4f99fdcad82d12d79c04a95dff1ff70b
- https://git.kernel.org/stable/c/c30cde934c7813b4e3069765dac64ce3d31e34f2
- https://git.kernel.org/stable/c/c8aa0a79ab0b23cde4c46ccff78e63be35733e04