cve-2022-49921
Vulnerability from cvelistv5
Published
2025-05-01 14:11
Modified
2025-05-04 12:45
Severity ?
Summary
net: sched: Fix use after free in red_enqueue()
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website


{
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          "programFiles": [
            "net/sched/sch_red.c"
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          "vendor": "Linux",
          "versions": [
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              "version": "4.7"
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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              "lessThanOrEqual": "4.9.*",
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              "version": "4.9.333",
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              "status": "unaffected",
              "version": "4.14.299",
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              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.265",
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            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.224",
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              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.154",
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            },
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              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.78",
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            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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          "nodes": [
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              "cpeMatch": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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      "descriptions": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: sched: Fix use after free in red_enqueue()\n\nWe can\u0027t use \"skb\" again after passing it to qdisc_enqueue().  This is\nbasically identical to commit 2f09707d0c97 (\"sch_sfb: Also store skb\nlen before calling child enqueue\")."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T12:45:28.463Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/795afe0b9bb6c915f0299a8e309936519be01619"
        },
        {
          "url": "https://git.kernel.org/stable/c/a238cdcf2bdc72207c74375fc8be13ee549ca9db"
        },
        {
          "url": "https://git.kernel.org/stable/c/e877f8fa49fbccc63cb2df2e9179bddc695b825a"
        },
        {
          "url": "https://git.kernel.org/stable/c/52e0429471976785c155bfbf51d80990c6cd46e2"
        },
        {
          "url": "https://git.kernel.org/stable/c/5960b9081baca85cc7dcb14aec1de85999ea9d36"
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        {
          "url": "https://git.kernel.org/stable/c/8bdc2acd420c6f3dd1f1c78750ec989f02a1e2b9"
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      ],
      "title": "net: sched: Fix use after free in red_enqueue()",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49921",
    "datePublished": "2025-05-01T14:11:00.309Z",
    "dateReserved": "2025-05-01T14:05:17.252Z",
    "dateUpdated": "2025-05-04T12:45:28.463Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49921\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T15:16:17.627\",\"lastModified\":\"2025-05-02T13:52:51.693\",\"vulnStatus\":\"Undergoing Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: sched: Fix use after free in red_enqueue()\\n\\nWe can\u0027t use \\\"skb\\\" again after passing it to qdisc_enqueue().  This is\\nbasically identical to commit 2f09707d0c97 (\\\"sch_sfb: Also store skb\\nlen before calling child enqueue\\\").\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: sched: Se corrige el use after free en red_enqueue(). No podemos volver a usar \\\"skb\\\" despu\u00e9s de pasarlo a qdisc_enqueue(). Esto es pr\u00e1cticamente id\u00e9ntico a el commit 2f09707d0c97 (\\\"sch_sfb: Tambi\u00e9n se almacena la longitud de skb antes de llamar a la cola secundaria\\\").\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/170e5317042c302777ed6d59fdb84af9b0219d4e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/52e0429471976785c155bfbf51d80990c6cd46e2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5960b9081baca85cc7dcb14aec1de85999ea9d36\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/795afe0b9bb6c915f0299a8e309936519be01619\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8bdc2acd420c6f3dd1f1c78750ec989f02a1e2b9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a238cdcf2bdc72207c74375fc8be13ee549ca9db\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e877f8fa49fbccc63cb2df2e9179bddc695b825a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fc4b50adb400ee5ec527a04073174e8e73a139fa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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