fkie_cve-2024-57841
Vulnerability from fkie_nvd
Published
2025-01-15 13:15
Modified
2025-01-21 17:38
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: net: fix memory leak in tcp_conn_request() If inet_csk_reqsk_queue_hash_add() return false, tcp_conn_request() will return without free the dst memory, which allocated in af_ops->route_req. Here is the kmemleak stack: unreferenced object 0xffff8881198631c0 (size 240): comm "softirq", pid 0, jiffies 4299266571 (age 1802.392s) hex dump (first 32 bytes): 00 10 9b 03 81 88 ff ff 80 98 da bc ff ff ff ff ................ 81 55 18 bb ff ff ff ff 00 00 00 00 00 00 00 00 .U.............. backtrace: [<ffffffffb93e8d4c>] kmem_cache_alloc+0x60c/0xa80 [<ffffffffba11b4c5>] dst_alloc+0x55/0x250 [<ffffffffba227bf6>] rt_dst_alloc+0x46/0x1d0 [<ffffffffba23050a>] __mkroute_output+0x29a/0xa50 [<ffffffffba23456b>] ip_route_output_key_hash+0x10b/0x240 [<ffffffffba2346bd>] ip_route_output_flow+0x1d/0x90 [<ffffffffba254855>] inet_csk_route_req+0x2c5/0x500 [<ffffffffba26b331>] tcp_conn_request+0x691/0x12c0 [<ffffffffba27bd08>] tcp_rcv_state_process+0x3c8/0x11b0 [<ffffffffba2965c6>] tcp_v4_do_rcv+0x156/0x3b0 [<ffffffffba299c98>] tcp_v4_rcv+0x1cf8/0x1d80 [<ffffffffba239656>] ip_protocol_deliver_rcu+0xf6/0x360 [<ffffffffba2399a6>] ip_local_deliver_finish+0xe6/0x1e0 [<ffffffffba239b8e>] ip_local_deliver+0xee/0x360 [<ffffffffba239ead>] ip_rcv+0xad/0x2f0 [<ffffffffba110943>] __netif_receive_skb_one_core+0x123/0x140 Call dst_release() to free the dst memory when inet_csk_reqsk_queue_hash_add() return false in tcp_conn_request().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2af69905180b3fea12f9c1db374b153a06977021Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4f4aa4aa28142d53f8b06585c478476cfe325cfcPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9d38959677291552d1b0ed2689a540af279b5bf8Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b0b190218c78d8aeecfba36ea3a90063b3ede52dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/de3f999bf8aee16e9da1c1224191abdc69e97c9dPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.13
linux linux_kernel 6.13
linux linux_kernel 6.13
linux linux_kernel 6.13
linux linux_kernel 6.13


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          "negate": false,
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fix memory leak in tcp_conn_request()\n\nIf inet_csk_reqsk_queue_hash_add() return false, tcp_conn_request() will\nreturn without free the dst memory, which allocated in af_ops-\u003eroute_req.\n\nHere is the kmemleak stack:\n\nunreferenced object 0xffff8881198631c0 (size 240):\n  comm \"softirq\", pid 0, jiffies 4299266571 (age 1802.392s)\n  hex dump (first 32 bytes):\n    00 10 9b 03 81 88 ff ff 80 98 da bc ff ff ff ff  ................\n    81 55 18 bb ff ff ff ff 00 00 00 00 00 00 00 00  .U..............\n  backtrace:\n    [\u003cffffffffb93e8d4c\u003e] kmem_cache_alloc+0x60c/0xa80\n    [\u003cffffffffba11b4c5\u003e] dst_alloc+0x55/0x250\n    [\u003cffffffffba227bf6\u003e] rt_dst_alloc+0x46/0x1d0\n    [\u003cffffffffba23050a\u003e] __mkroute_output+0x29a/0xa50\n    [\u003cffffffffba23456b\u003e] ip_route_output_key_hash+0x10b/0x240\n    [\u003cffffffffba2346bd\u003e] ip_route_output_flow+0x1d/0x90\n    [\u003cffffffffba254855\u003e] inet_csk_route_req+0x2c5/0x500\n    [\u003cffffffffba26b331\u003e] tcp_conn_request+0x691/0x12c0\n    [\u003cffffffffba27bd08\u003e] tcp_rcv_state_process+0x3c8/0x11b0\n    [\u003cffffffffba2965c6\u003e] tcp_v4_do_rcv+0x156/0x3b0\n    [\u003cffffffffba299c98\u003e] tcp_v4_rcv+0x1cf8/0x1d80\n    [\u003cffffffffba239656\u003e] ip_protocol_deliver_rcu+0xf6/0x360\n    [\u003cffffffffba2399a6\u003e] ip_local_deliver_finish+0xe6/0x1e0\n    [\u003cffffffffba239b8e\u003e] ip_local_deliver+0xee/0x360\n    [\u003cffffffffba239ead\u003e] ip_rcv+0xad/0x2f0\n    [\u003cffffffffba110943\u003e] __netif_receive_skb_one_core+0x123/0x140\n\nCall dst_release() to free the dst memory when\ninet_csk_reqsk_queue_hash_add() return false in tcp_conn_request()."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: se corrige p\u00e9rdida de memoria en tcp_conn_request() Si inet_csk_reqsk_queue_hash_add() devuelve falso, tcp_conn_request() devolver\u00e1 sin liberar la memoria dst, que se asign\u00f3 en af_ops-\u0026gt;route_req. Aqu\u00ed est\u00e1 la pila de kmemleak: objeto sin referencia 0xffff8881198631c0 (tama\u00f1o 240): comm \"softirq\", pid 0, jiffies 4299266571 (edad 1802.392s) volcado hexadecimal (primeros 32 bytes): 00 10 9b 03 81 88 ff ff 80 98 da bc ff ff ff ff ff ................ 81 55 18 bb ff ff ff ff ff 00 00 00 00 00 00 00 00 .U.............. backtrace: [] kmem_cache_alloc+0x60c/0xa80 [] dst_alloc+0x55/0x250 [] rt_dst_alloc+0x46/0x1d0 [] __mkroute_output+0x29a/0xa50 [] ip_route_output_key_hash+0x10b/0x240 [] ip_route_output_flow+0x1d/0x90 [] inet_csk_route_req+0x2c5/0x500 [] tcp_conn_request+0x691/0x12c0 [] tcp_rcv_state_process+0x3c8/0x11b0 [] tcp_v4_do_rcv+0x156/0x3b0 [] tcp_v4_rcv+0x1cf8/0x1d80 [] ip_protocol_deliver_rcu+0xf6/0x360 [] ip_local_deliver_finish+0xe6/0x1e0 [] ip_local_deliver+0xee/0x360 [] ip_rcv+0xad/0x2f0 [] __netif_receive_skb_one_core+0x123/0x140 Llame a dst_release() para liberar la memoria dst cuando inet_csk_reqsk_queue_hash_add() devuelva falso en tcp_conn_request()."
    }
  ],
  "id": "CVE-2024-57841",
  "lastModified": "2025-01-21T17:38:48.263",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2025-01-15T13:15:12.130",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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      "url": "https://git.kernel.org/stable/c/2af69905180b3fea12f9c1db374b153a06977021"
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    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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      "url": "https://git.kernel.org/stable/c/b0b190218c78d8aeecfba36ea3a90063b3ede52d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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      "url": "https://git.kernel.org/stable/c/de3f999bf8aee16e9da1c1224191abdc69e97c9d"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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