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CVE-2022-49097

Estado: AnalizadaMedia (5.5)—

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

NFS: Avoid writeback threads getting stuck in mempool_alloc()

In a low memory situation, allow the NFS writeback code to fail without getting stuck in infinite loops in mempool_alloc().

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)

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{
  "id": "CVE-2022-49097",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "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": [
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          "vendor": "Linux",
          "product": "Linux",
          "versions": [
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          ],
          "programFiles": [
            "fs/nfs/pagelist.c",
            "fs/nfs/write.c"
          ],
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        },
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          "vendor": "Linux",
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              "version": "5.3"
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            },
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              "version": "5.10.111",
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              "lessThanOrEqual": "5.10.*"
            },
            {
              "status": "unaffected",
              "version": "5.15.34",
              "versionType": "semver",
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            },
            {
              "status": "unaffected",
              "version": "5.16.20",
              "versionType": "semver",
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            },
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              "version": "5.17.3",
              "versionType": "semver",
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            },
            {
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              "version": "5.18",
              "versionType": "original_commit_for_fix",
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            }
          ],
          "programFiles": [
            "fs/nfs/pagelist.c",
            "fs/nfs/write.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-02-26T07:00:47.127",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/0bae835b63c53f86cdc524f5962e39409585b22c",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/1b3fa9a3c420c31e77b406ddc28f3a627100516c",
      "tags": [
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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    },
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    },
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      "url": "https://git.kernel.org/stable/c/ea029e4ce760f786919d06ef52efa2e50ea92a5f",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFS: Avoid writeback threads getting stuck in mempool_alloc()\n\nIn a low memory situation, allow the NFS writeback code to fail without\ngetting stuck in infinite loops in mempool_alloc()."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: NFS: evitar que los subprocesos de escritura diferida se queden atascados en mempool_alloc() En una situación de poca memoria, permita que el código de escritura diferida de NFS falle sin quedar atascado en bucles infinitos en mempool_alloc()."
    }
  ],
  "lastModified": "2026-06-17T05:17:04.323",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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}