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CVE-2022-49054

Estado: ModificadaMedia (5.5)—

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

Drivers: hv: vmbus: Deactivate sysctl_record_panic_msg by default in isolated guests

hv_panic_page might contain guest-sensitive information, do not dump it over to Hyper-V by default in isolated guests.

While at it, update some comments in hyperv_{panic,die}_event().

CVSS

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)

Linux — Linux Kernel

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2022-49054",
  "cveTags": [],
  "metrics": {
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
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  "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": [
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              "status": "affected",
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        {
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          "product": "Linux",
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              "status": "affected",
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            },
            {
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              "version": "0",
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              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "5.15.35",
              "versionType": "semver",
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              "version": "5.18",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
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          ],
          "programFiles": [
            "drivers/hv/vmbus_drv.c"
          ],
          "defaultStatus": "affected"
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  ],
  "published": "2025-02-26T07:00:42.667",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/1b576e81d31b56b248316b8ff816b1cc5c4407c7",
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      "tags": [
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nDrivers: hv: vmbus: Deactivate sysctl_record_panic_msg by default in isolated guests\n\nhv_panic_page might contain guest-sensitive information, do not dump it\nover to Hyper-V by default in isolated guests.\n\nWhile at it, update some comments in hyperv_{panic,die}_event()."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Controladores: hv: vmbus: Desactivar sysctl_record_panic_msg de forma predeterminada en invitados aislados hv_panic_page puede contener información confidencial del invitado; no la envíe a Hyper-V de forma predeterminada en invitados aislados. Mientras tanto, actualice algunos comentarios en hyperv_{panic,die}_event()."
    }
  ],
  "lastModified": "2026-08-04T10:17:32.590",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndExcluding": "5.15.35"
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              "versionEndExcluding": "5.17.4",
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            },
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}