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CVE-2026-80699

Estado: RecibidaSin puntuar—

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

KVM: arm64: vgic: Avoid double-deactivate of IRQs in the nested context

In the nested state, the physical interrupt has already been deactivated through the HW bit in the LR. The extra deactivation would be harmless but can hit an errata case on AmpereOne, so avoid it here.

On AmpereOne, deactivating a physical interrupt through ICC_DIR_EL1 or ICC_EOIR1_EL1 (depending on EOImode) which is not active, but is the highest priority pending interrupt causes the cpu to lose the interrupt pending state and also prevents the delivery of future interrupts.

CVSS

NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Linux — Linux KernelAI

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-80699",
  "cveTags": [],
  "metrics": {},
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6dd333c8942b2e5bb5927af843b56ec2857db7c7",
              "lessThan": "f78f08b38a7f121c7d6b3e41002d9de7fd3c9189",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6dd333c8942b2e5bb5927af843b56ec2857db7c7",
              "lessThan": "8a570b19b4b16a8a3b5ffa2b332bd5613110b2d8",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "Documentation/arch/arm64/silicon-errata.rst",
            "arch/arm64/kvm/vgic/vgic-v3.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.19"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.19",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "7.1.8",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "Documentation/arch/arm64/silicon-errata.rst",
            "arch/arm64/kvm/vgic/vgic-v3.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-08-28T08:16:55.410",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/8a570b19b4b16a8a3b5ffa2b332bd5613110b2d8",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/f78f08b38a7f121c7d6b3e41002d9de7fd3c9189",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Received",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: vgic: Avoid double-deactivate of IRQs in the nested context\n\nIn the nested state, the physical interrupt has already been\ndeactivated through the HW bit in the LR. The extra deactivation\nwould be harmless but can hit an errata case on AmpereOne, so\navoid it here.\n\nOn AmpereOne, deactivating a physical interrupt through\nICC_DIR_EL1 or ICC_EOIR1_EL1 (depending on EOImode) which is not\nactive, but is the highest priority pending interrupt causes the\ncpu to lose the interrupt pending state and also prevents the\ndelivery of future interrupts."
    }
  ],
  "lastModified": "2026-08-28T08:16:55.410",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}