CVE-2026-31417 (GCVE-0-2026-31417)
Vulnerability from cvelistv5
Published
2026-04-13 13:21
Modified
2026-04-13 13:21
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix overflow when accumulating packets Add a check to ensure that `x25_sock.fraglen` does not overflow. The `fraglen` also needs to be resetted when purging `fragment_queue` in `x25_clear_queues()`.
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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{
  "containers": {
    "cna": {
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          "product": "Linux",
          "programFiles": [
            "net/x25/x25_in.c",
            "net/x25/x25_subr.c"
          ],
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          "product": "Linux",
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          ],
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          "vendor": "Linux",
          "versions": [
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              "version": "2.6.12"
            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.1.168",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "6.6.134",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.81",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.22",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.12",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.168",
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                  "vulnerable": true
                },
                {
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              ],
              "negate": false,
              "operator": "OR"
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          ]
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/x25: Fix overflow when accumulating packets\n\nAdd a check to ensure that `x25_sock.fraglen` does not overflow.\n\nThe `fraglen` also needs to be resetted when purging `fragment_queue` in\n`x25_clear_queues()`."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-13T13:21:04.638Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/6e568835ea54a3e1d08e310e34f95d434e739477"
        },
        {
          "url": "https://git.kernel.org/stable/c/1734bd85c5e0a7a801295b729efb56b009cb8fc3"
        },
        {
          "url": "https://git.kernel.org/stable/c/4e2d1bcef78d21247fe8fef13bc7ed95885df2b5"
        },
        {
          "url": "https://git.kernel.org/stable/c/8c92969c197b91c134be27dc3afb64ab468853a9"
        },
        {
          "url": "https://git.kernel.org/stable/c/f953f11ccf4afe6feb635c08145f4240d9a6b544"
        },
        {
          "url": "https://git.kernel.org/stable/c/a1822cb524e89b4cd2cf0b82e484a2335496a6d9"
        }
      ],
      "title": "net/x25: Fix overflow when accumulating packets",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-31417",
    "datePublished": "2026-04-13T13:21:04.638Z",
    "dateReserved": "2026-03-09T15:48:24.087Z",
    "dateUpdated": "2026-04-13T13:21:04.638Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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