CVE-2022-49809 (GCVE-0-2022-49809)
Vulnerability from cvelistv5
Published
2025-05-01 14:09
Modified
2025-05-04 12:45
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix skb leak in x25_lapb_receive_frame() x25_lapb_receive_frame() using skb_copy() to get a private copy of skb, the new skb should be freed in the undersized/fragmented skb error handling path. Otherwise there is a memory leak.
References
Impacted products
Vendor Product Version
Linux Linux Version: cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df
Version: cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df
Version: cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df
Version: cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df
Version: cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df
Version: cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df
Version: cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df
Version: cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df
Version: 7f3ea0c12493c9ff38a13a89bcf08846b50c1f1c
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{
  "containers": {
    "cna": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/x25/x25_dev.c"
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          "product": "Linux",
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.1"
            },
            {
              "lessThan": "3.1",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "4.9.*",
              "status": "unaffected",
              "version": "4.9.334",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.14.*",
              "status": "unaffected",
              "version": "4.14.300",
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            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.267",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.225",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.156",
              "versionType": "semver"
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              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.80",
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              "status": "unaffected",
              "version": "6.0.10",
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            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "versionStartIncluding": "3.1",
                  "vulnerable": true
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              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/x25: Fix skb leak in x25_lapb_receive_frame()\n\nx25_lapb_receive_frame() using skb_copy() to get a private copy of\nskb, the new skb should be freed in the undersized/fragmented skb\nerror handling path. Otherwise there is a memory leak."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T12:45:15.015Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/fda0ba7c84b46d10947c687320804b9de149a921"
        },
        {
          "url": "https://git.kernel.org/stable/c/dfcfbe4f2e4b2c81cff4e79b48502d97fda73118"
        },
        {
          "url": "https://git.kernel.org/stable/c/0ef17d966445358a55c5f4ccf2c73cca3e39192b"
        },
        {
          "url": "https://git.kernel.org/stable/c/e109b41870db995cae25dfaf0cc3922f9028b1a1"
        },
        {
          "url": "https://git.kernel.org/stable/c/9f00da9c866d506998bf0a3f699ec900730472da"
        },
        {
          "url": "https://git.kernel.org/stable/c/c8baf1fc248b2e88642f094fea9509a9bf98c5bb"
        },
        {
          "url": "https://git.kernel.org/stable/c/2d675be16a461310d738d93f9f1a00da62055c5a"
        },
        {
          "url": "https://git.kernel.org/stable/c/2929cceb2fcf0ded7182562e4888afafece82cce"
        }
      ],
      "title": "net/x25: Fix skb leak in x25_lapb_receive_frame()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49809",
    "datePublished": "2025-05-01T14:09:34.853Z",
    "dateReserved": "2025-05-01T14:05:17.226Z",
    "dateUpdated": "2025-05-04T12:45:15.015Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49809\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T15:16:04.237\",\"lastModified\":\"2025-05-02T13:53:20.943\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet/x25: Fix skb leak in x25_lapb_receive_frame()\\n\\nx25_lapb_receive_frame() using skb_copy() to get a private copy of\\nskb, the new skb should be freed in the undersized/fragmented skb\\nerror handling path. Otherwise there is a memory leak.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/x25: Se corrige la fuga de skb en x25_lapb_receive_frame(). x25_lapb_receive_frame() usa skb_copy() para obtener una copia privada de skb. El nuevo skb debe liberarse en la ruta de gesti\u00f3n de errores de skb de tama\u00f1o insuficiente/fragmentado. De lo contrario, se produce una fuga de memoria.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0ef17d966445358a55c5f4ccf2c73cca3e39192b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/2929cceb2fcf0ded7182562e4888afafece82cce\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/2d675be16a461310d738d93f9f1a00da62055c5a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9f00da9c866d506998bf0a3f699ec900730472da\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c8baf1fc248b2e88642f094fea9509a9bf98c5bb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/dfcfbe4f2e4b2c81cff4e79b48502d97fda73118\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e109b41870db995cae25dfaf0cc3922f9028b1a1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fda0ba7c84b46d10947c687320804b9de149a921\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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