{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2024-26910"
      ],
      "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ipset: fix performance regression in swap operation\n\nThe patch \"netfilter: ipset: fix race condition between swap/destroy\nand kernel side add/del/test\", commit 28628fa9 fixes a race condition.\nBut the synchronize_rcu() added to the swap function unnecessarily slows\nit down: it can safely be moved to destroy and use call_rcu() instead.\n\nEric Dumazet pointed out that simply calling the destroy functions as\nrcu callback does not work: sets with timeout use garbage collectors\nwhich need cancelling at destroy which can wait. Therefore the destroy\nfunctions are split into two: cancelling garbage collectors safely at\nexecuting the command received by netlink and moving the remaining\npart only into the rcu callback.",
      "id": "GSD-2024-26910",
      "modified": "2024-02-20T06:02:29.098250Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "cve@kernel.org",
        "ID": "CVE-2024-26910",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
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                    "version": {
                      "version_data": [
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                          "version_affected": "\u003c",
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                          "version_value": "c7f2733e5011"
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                          "version_affected": "\u003c",
                          "version_name": "e7152a138a5a",
                          "version_value": "a24d5f2ac8ef"
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                        {
                          "version_affected": "\u003c",
                          "version_name": "8bb930c3a1ea",
                          "version_value": "c2dc077d8f72"
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                        {
                          "version_affected": "\u003c",
                          "version_name": "875ee3a09e27",
                          "version_value": "653bc5e6d999"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "23c31036f862",
                          "version_value": "b93a6756a01f"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "28628fa952fe",
                          "version_value": "970709a67696"
                        },
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
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                              {
                                "status": "affected",
                                "version": "6.7"
                              },
                              {
                                "lessThan": "6.7",
                                "status": "unaffected",
                                "version": "0",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "5.4.*",
                                "status": "unaffected",
                                "version": "5.4.269",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "5.10.*",
                                "status": "unaffected",
                                "version": "5.10.210",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "5.15.*",
                                "status": "unaffected",
                                "version": "5.15.149",
                                "versionType": "custom"
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                              {
                                "lessThanOrEqual": "6.1.*",
                                "status": "unaffected",
                                "version": "6.1.79",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "6.6.*",
                                "status": "unaffected",
                                "version": "6.6.18",
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                              {
                                "lessThanOrEqual": "6.7.*",
                                "status": "unaffected",
                                "version": "6.7.6",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "*",
                                "status": "unaffected",
                                "version": "6.8",
                                "versionType": "original_commit_for_fix"
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                ]
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      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ipset: fix performance regression in swap operation\n\nThe patch \"netfilter: ipset: fix race condition between swap/destroy\nand kernel side add/del/test\", commit 28628fa9 fixes a race condition.\nBut the synchronize_rcu() added to the swap function unnecessarily slows\nit down: it can safely be moved to destroy and use call_rcu() instead.\n\nEric Dumazet pointed out that simply calling the destroy functions as\nrcu callback does not work: sets with timeout use garbage collectors\nwhich need cancelling at destroy which can wait. Therefore the destroy\nfunctions are split into two: cancelling garbage collectors safely at\nexecuting the command received by netlink and moving the remaining\npart only into the rcu callback."
          }
        ]
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                "lang": "eng",
                "value": "n/a"
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            "name": "https://git.kernel.org/stable/c/c7f2733e5011bfd136f1ca93497394d43aa76225",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/c7f2733e5011bfd136f1ca93497394d43aa76225"
          },
          {
            "name": "https://git.kernel.org/stable/c/a24d5f2ac8ef702a58e55ec276aad29b4bd97e05",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/a24d5f2ac8ef702a58e55ec276aad29b4bd97e05"
          },
          {
            "name": "https://git.kernel.org/stable/c/c2dc077d8f722a1c73a24e674f925602ee5ece49",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/c2dc077d8f722a1c73a24e674f925602ee5ece49"
          },
          {
            "name": "https://git.kernel.org/stable/c/653bc5e6d9995d7d5f497c665b321875a626161c",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/653bc5e6d9995d7d5f497c665b321875a626161c"
          },
          {
            "name": "https://git.kernel.org/stable/c/b93a6756a01f4fd2f329a39216f9824c56a66397",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/b93a6756a01f4fd2f329a39216f9824c56a66397"
          },
          {
            "name": "https://git.kernel.org/stable/c/970709a67696b100a57b33af1a3d75fc34b747eb",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/970709a67696b100a57b33af1a3d75fc34b747eb"
          },
          {
            "name": "https://git.kernel.org/stable/c/97f7cf1cd80eeed3b7c808b7c12463295c751001",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/97f7cf1cd80eeed3b7c808b7c12463295c751001"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ipset: fix performance regression in swap operation\n\nThe patch \"netfilter: ipset: fix race condition between swap/destroy\nand kernel side add/del/test\", commit 28628fa9 fixes a race condition.\nBut the synchronize_rcu() added to the swap function unnecessarily slows\nit down: it can safely be moved to destroy and use call_rcu() instead.\n\nEric Dumazet pointed out that simply calling the destroy functions as\nrcu callback does not work: sets with timeout use garbage collectors\nwhich need cancelling at destroy which can wait. Therefore the destroy\nfunctions are split into two: cancelling garbage collectors safely at\nexecuting the command received by netlink and moving the remaining\npart only into the rcu callback."
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfilter: ipset: corrige la regresi\u00f3n de rendimiento en la operaci\u00f3n de intercambio El parche \"netfilter: ipset: corrige la condici\u00f3n de ejecuci\u00f3n entre swap/destroy y add/del/test del lado del kernel\", commit 28628fa9 corrige un condici\u00f3n de ejecuci\u00f3n. Pero elsync_rcu() agregado a la funci\u00f3n swap la ralentiza innecesariamente: se puede mover con seguridad para destruir y usar call_rcu() en su lugar. Eric Dumazet se\u00f1al\u00f3 que simplemente llamar a las funciones de destrucci\u00f3n como devoluci\u00f3n de llamada de rcu no funciona: los conjuntos con tiempo de espera usan recolectores de basura que necesitan cancelarse en la destrucci\u00f3n y que pueden esperar. Por lo tanto, las funciones de destrucci\u00f3n se dividen en dos: cancelar los recolectores de basura de forma segura al ejecutar el comando recibido por netlink y mover la parte restante solo a la devoluci\u00f3n de llamada de rcu."
          }
        ],
        "id": "CVE-2024-26910",
        "lastModified": "2024-04-17T16:51:07.347",
        "metrics": {},
        "published": "2024-04-17T16:15:07.860",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/653bc5e6d9995d7d5f497c665b321875a626161c"
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            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/c7f2733e5011bfd136f1ca93497394d43aa76225"
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        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Awaiting Analysis"
      }
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}