cve-2024-42246
Vulnerability from cvelistv5
Published
2024-08-07 15:14
Modified
2024-09-12 11:48
Severity ?
Summary
net, sunrpc: Remap EPERM in case of connection failure in xs_tcp_setup_socket
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/02ee1976edb21a96ce8e3fd4ef563f14cc16d041
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5d8254e012996cee1a0f9cc920531cb7e4d9a011
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/626dfed5fa3bfb41e0dffd796032b555b69f9cdePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/934247ea65bc5eca8bdb7f8c0ddc15cef992a5d6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bc790261218952635f846aaf90bcc0974f6f62c6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d6c686c01c5f12ff8f7264e0ddf71df6cb0d4414Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f2431e7db0fe0daccb2f06bb0d23740affcd2fa6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f388cfd913a2b96c05339a335f365795db1b36b6Patch
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

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              "content": {
                "id": "CVE-2024-42246",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T16:13:31.910049Z",
                "version": "2.0.3"
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        "providerMetadata": {
          "dateUpdated": "2024-09-11T17:34:31.112Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/sunrpc/xprtsock.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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          "product": "Linux",
          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.17"
            },
            {
              "lessThan": "4.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "custom"
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              "version": "4.19.322",
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              "version": "5.4.284",
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              "status": "unaffected",
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet, sunrpc: Remap EPERM in case of connection failure in xs_tcp_setup_socket\n\nWhen using a BPF program on kernel_connect(), the call can return -EPERM. This\ncauses xs_tcp_setup_socket() to loop forever, filling up the syslog and causing\nthe kernel to potentially freeze up.\n\nNeil suggested:\n\n  This will propagate -EPERM up into other layers which might not be ready\n  to handle it. It might be safer to map EPERM to an error we would be more\n  likely to expect from the network system - such as ECONNREFUSED or ENETDOWN.\n\nECONNREFUSED as error seems reasonable. For programs setting a different error\ncan be out of reach (see handling in 4fbac77d2d09) in particular on kernels\nwhich do not have f10d05966196 (\"bpf: Make BPF_PROG_RUN_ARRAY return -err\ninstead of allow boolean\"), thus given that it is better to simply remap for\nconsistent behavior. UDP does handle EPERM in xs_udp_send_request()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-09-12T11:48:04.319Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        },
        {
          "url": "https://git.kernel.org/stable/c/626dfed5fa3bfb41e0dffd796032b555b69f9cde"
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      ],
      "title": "net, sunrpc: Remap EPERM in case of connection failure in xs_tcp_setup_socket",
      "x_generator": {
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-42246",
    "datePublished": "2024-08-07T15:14:31.615Z",
    "dateReserved": "2024-07-30T07:40:12.254Z",
    "dateUpdated": "2024-09-12T11:48:04.319Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-42246\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-08-07T16:15:47.297\",\"lastModified\":\"2024-09-12T12:15:48.497\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet, sunrpc: Remap EPERM in case of connection failure in xs_tcp_setup_socket\\n\\nWhen using a BPF program on kernel_connect(), the call can return -EPERM. This\\ncauses xs_tcp_setup_socket() to loop forever, filling up the syslog and causing\\nthe kernel to potentially freeze up.\\n\\nNeil suggested:\\n\\n  This will propagate -EPERM up into other layers which might not be ready\\n  to handle it. It might be safer to map EPERM to an error we would be more\\n  likely to expect from the network system - such as ECONNREFUSED or ENETDOWN.\\n\\nECONNREFUSED as error seems reasonable. For programs setting a different error\\ncan be out of reach (see handling in 4fbac77d2d09) in particular on kernels\\nwhich do not have f10d05966196 (\\\"bpf: Make BPF_PROG_RUN_ARRAY return -err\\ninstead of allow boolean\\\"), thus given that it is better to simply remap for\\nconsistent behavior. UDP does handle EPERM in xs_udp_send_request().\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net, sunrpc: reasignar EPERM en caso de falla de conexi\u00f3n en xs_tcp_setup_socket Cuando se usa un programa BPF en kernel_connect(), la llamada puede devolver -EPERM. Esto hace que xs_tcp_setup_socket() se repita indefinidamente, llenando el syslog y provocando que el kernel se congele potencialmente. Neil sugiri\u00f3: Esto propagar\u00e1 -EPERM a otras capas que podr\u00edan no estar listas para manejarlo. Podr\u00eda ser m\u00e1s seguro asignar EPERM a un error que probablemente esperar\u00edamos del sistema de red, como ECONNREFUSED o ENETDOWN. ECONNREFUSED como error parece razonable. Para los programas, configurar un error diferente puede estar fuera de su alcance (consulte el manejo en 4fbac77d2d09), en particular en los n\u00facleos que no tienen f10d05966196 (\\\"bpf: Make BPF_PROG_RUN_ARRAY return -err en lugar de permitir boolean\\\"), por lo que es mejor simplemente reasignar para un comportamiento consistente. UDP maneja EPERM en xs_udp_send_request().\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-835\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.17\",\"versionEndExcluding\":\"6.1.100\",\"matchCriteriaId\":\"0573E395-3D6E-46EA-B0B9-C915C6EF8375\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.41\",\"matchCriteriaId\":\"96AC42B8-D66D-4AC5-B466-E9BA7910FA29\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.9.10\",\"matchCriteriaId\":\"AB2E8DEC-CFD5-4C2B-981D-E7E45A36C352\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/02ee1976edb21a96ce8e3fd4ef563f14cc16d041\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5d8254e012996cee1a0f9cc920531cb7e4d9a011\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/626dfed5fa3bfb41e0dffd796032b555b69f9cde\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/934247ea65bc5eca8bdb7f8c0ddc15cef992a5d6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/bc790261218952635f846aaf90bcc0974f6f62c6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d6c686c01c5f12ff8f7264e0ddf71df6cb0d4414\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f2431e7db0fe0daccb2f06bb0d23740affcd2fa6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f388cfd913a2b96c05339a335f365795db1b36b6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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