« Volver al listado

CVE-2026-98351

Estado: RecibidaSin puntuar—

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

wifi: virt_wifi: free skb when disconnected

When the simulated link is disconnected, virt_wifi_start_xmit() returns NET_XMIT_DROP without freeing the skb. dev_hard_start_xmit() treats this return value as consumed, so every packet sent while disconnected leaks its skb.

Free the skb before returning the drop status.

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.

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-98351",
  "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": "c7cdba31ed8b87526db978976392802d3f93110c",
              "lessThan": "38d3a5df85345f158f78b478b265ca906224454e",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "c7cdba31ed8b87526db978976392802d3f93110c",
              "lessThan": "ee053ea35c759135460f03d1c574f4ed08de844a",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "c7cdba31ed8b87526db978976392802d3f93110c",
              "lessThan": "d177eca79e1106834bc423d3969a4a2e3987996a",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "c7cdba31ed8b87526db978976392802d3f93110c",
              "lessThan": "36727a702cf8e3399e3da60d0856378f6afcfb34",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "c7cdba31ed8b87526db978976392802d3f93110c",
              "lessThan": "56469996c10a0240653fc00576b4d33bdfb4cc51",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "c7cdba31ed8b87526db978976392802d3f93110c",
              "lessThan": "4f266738af45675faa0e8afee08c6e780afa8b06",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "c7cdba31ed8b87526db978976392802d3f93110c",
              "lessThan": "46371442847a725cc0df3697fea2eba1dd54b82b",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "c7cdba31ed8b87526db978976392802d3f93110c",
              "lessThan": "f9edf7cf63b96d2b776fca8d258d3c5256e40c8e",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/net/wireless/virtual/virt_wifi.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.0"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "5.0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.10.271",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "status": "unaffected",
              "version": "5.15.222",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "6.1.189",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.6.158",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "status": "unaffected",
              "version": "6.12.112",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.18.54",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "7.2.8",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "status": "unaffected",
              "version": "7.3-rc4",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/net/wireless/virtual/virt_wifi.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-10-06T09:18:28.437",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/36727a702cf8e3399e3da60d0856378f6afcfb34",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/38d3a5df85345f158f78b478b265ca906224454e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/46371442847a725cc0df3697fea2eba1dd54b82b",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/4f266738af45675faa0e8afee08c6e780afa8b06",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/56469996c10a0240653fc00576b4d33bdfb4cc51",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/d177eca79e1106834bc423d3969a4a2e3987996a",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/ee053ea35c759135460f03d1c574f4ed08de844a",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/f9edf7cf63b96d2b776fca8d258d3c5256e40c8e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Received",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: virt_wifi: free skb when disconnected\n\nWhen the simulated link is disconnected, virt_wifi_start_xmit() returns\nNET_XMIT_DROP without freeing the skb. dev_hard_start_xmit() treats this\nreturn value as consumed, so every packet sent while disconnected leaks its\nskb.\n\nFree the skb before returning the drop status."
    }
  ],
  "lastModified": "2026-10-06T09:18:28.437",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}