FKIE_CVE-2022-49097

Vulnerability from fkie_nvd - Published: 2025-02-26 07:00 - Updated: 2026-06-17 05:17
Severity
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
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().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0bae835b63c53f86cdc524f5962e39409585b22cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1b3fa9a3c420c31e77b406ddc28f3a627100516cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a6caeddd68977a1aaaf62fbd1955b41dd5c3c5d3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c74e2f6ecc51bd08bb5b0335477dba954a50592ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ea029e4ce760f786919d06ef52efa2e50ea92a5fPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/nfs/pagelist.c",
            "fs/nfs/write.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "c74e2f6ecc51bd08bb5b0335477dba954a50592e",
              "status": "affected",
              "version": "2b17d725f9be59a1bfa0583af690c463fca1f385",
              "versionType": "git"
            },
            {
              "lessThan": "ea029e4ce760f786919d06ef52efa2e50ea92a5f",
              "status": "affected",
              "version": "2b17d725f9be59a1bfa0583af690c463fca1f385",
              "versionType": "git"
            },
            {
              "lessThan": "1b3fa9a3c420c31e77b406ddc28f3a627100516c",
              "status": "affected",
              "version": "2b17d725f9be59a1bfa0583af690c463fca1f385",
              "versionType": "git"
            },
            {
              "lessThan": "a6caeddd68977a1aaaf62fbd1955b41dd5c3c5d3",
              "status": "affected",
              "version": "2b17d725f9be59a1bfa0583af690c463fca1f385",
              "versionType": "git"
            },
            {
              "lessThan": "0bae835b63c53f86cdc524f5962e39409585b22c",
              "status": "affected",
              "version": "2b17d725f9be59a1bfa0583af690c463fca1f385",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/nfs/pagelist.c",
            "fs/nfs/write.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.3"
            },
            {
              "lessThan": "5.3",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.111",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.34",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.16.*",
              "status": "unaffected",
              "version": "5.16.20",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.17.*",
              "status": "unaffected",
              "version": "5.17.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "983DAD06-CBCB-46BF-A9E0-3D277B7474DB",
              "versionEndExcluding": "5.10.111",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D25878D3-7761-4E9F-8919-E92CD53896E0",
              "versionEndExcluding": "5.15.34",
              "versionStartIncluding": "5.11",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "ABBBA66E-0244-4621-966B-9790AF1EEB00",
              "versionEndExcluding": "5.16.20",
              "versionStartIncluding": "5.16",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "AE420AC7-1E59-4398-B84F-71F4B4337762",
              "versionEndExcluding": "5.17.3",
              "versionStartIncluding": "5.17",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "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 situaci\u00f3n de poca memoria, permita que el c\u00f3digo de escritura diferida de NFS falle sin quedar atascado en bucles infinitos en mempool_alloc()."
    }
  ],
  "id": "CVE-2022-49097",
  "lastModified": "2026-06-17T05:17:04.323",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2025-02-26T07:00:47.127",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/0bae835b63c53f86cdc524f5962e39409585b22c"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/1b3fa9a3c420c31e77b406ddc28f3a627100516c"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/a6caeddd68977a1aaaf62fbd1955b41dd5c3c5d3"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/c74e2f6ecc51bd08bb5b0335477dba954a50592e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/ea029e4ce760f786919d06ef52efa2e50ea92a5f"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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