CVE-2024-56720
Vulnerability from cvelistv5
Published
2024-12-29 11:29
Modified
2024-12-29 11:29
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Several fixes to bpf_msg_pop_data Several fixes to bpf_msg_pop_data, 1. In sk_msg_shift_left, we should put_page 2. if (len == 0), return early is better 3. pop the entire sk_msg (last == msg->sg.size) should be supported 4. Fix for the value of variable "a" 5. In sk_msg_shift_left, after shifting, i has already pointed to the next element. Addtional sk_msg_iter_var_next may result in BUG.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/275a9f3ef8fabb0cb282a62b9e164dedba7284c5
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5d609ba262475db450ba69b8e8a557bd768ac07a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/785180bed9879680d8e5c5e1b54c8ae8d948f4c8
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/98c7ea7d11f2588e8197db042e0291e4ac8f8346
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d26d977633d1d0b8bf9407278189bd0a8d973323
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d3f5763b3062514a234114e97bbde74d8d702449
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e1f54c61c4c9a5244eb8159dce60d248f7d97b32
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f58d3aa457e77a3d9b3df2ab081dcf9950f6029f
Impacted products
Vendor Product Version
Linux Linux Version: 5.0
Show details on NVD website

To clipboard 

{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/core/filter.c"
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          "vendor": "Linux",
          "versions": [
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              "version": "5.0"
            },
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              "version": "0",
              "versionType": "semver"
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              "version": "5.4.287",
              "versionType": "semver"
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              "versionType": "semver"
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              "versionType": "semver"
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              "version": "6.11.11",
              "versionType": "semver"
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              "version": "6.12.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
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              "version": "6.13-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, sockmap: Several fixes to bpf_msg_pop_data\n\nSeveral fixes to bpf_msg_pop_data,\n1. In sk_msg_shift_left, we should put_page\n2. if (len == 0), return early is better\n3. pop the entire sk_msg (last == msg-\u003esg.size) should be supported\n4. Fix for the value of variable \"a\"\n5. In sk_msg_shift_left, after shifting, i has already pointed to the next\nelement. Addtional sk_msg_iter_var_next may result in BUG."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-12-29T11:29:58.345Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/d3f5763b3062514a234114e97bbde74d8d702449"
        },
        {
          "url": "https://git.kernel.org/stable/c/d26d977633d1d0b8bf9407278189bd0a8d973323"
        },
        {
          "url": "https://git.kernel.org/stable/c/e1f54c61c4c9a5244eb8159dce60d248f7d97b32"
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          "url": "https://git.kernel.org/stable/c/f58d3aa457e77a3d9b3df2ab081dcf9950f6029f"
        },
        {
          "url": "https://git.kernel.org/stable/c/98c7ea7d11f2588e8197db042e0291e4ac8f8346"
        },
        {
          "url": "https://git.kernel.org/stable/c/785180bed9879680d8e5c5e1b54c8ae8d948f4c8"
        },
        {
          "url": "https://git.kernel.org/stable/c/275a9f3ef8fabb0cb282a62b9e164dedba7284c5"
        },
        {
          "url": "https://git.kernel.org/stable/c/5d609ba262475db450ba69b8e8a557bd768ac07a"
        }
      ],
      "title": "bpf, sockmap: Several fixes to bpf_msg_pop_data",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-56720",
    "datePublished": "2024-12-29T11:29:58.345Z",
    "dateReserved": "2024-12-27T15:00:39.858Z",
    "dateUpdated": "2024-12-29T11:29:58.345Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-56720\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-12-29T12:15:06.037\",\"lastModified\":\"2024-12-29T12:15:06.037\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nbpf, sockmap: Several fixes to bpf_msg_pop_data\\n\\nSeveral fixes to bpf_msg_pop_data,\\n1. In sk_msg_shift_left, we should put_page\\n2. if (len == 0), return early is better\\n3. pop the entire sk_msg (last == msg-\u003esg.size) should be supported\\n4. Fix for the value of variable \\\"a\\\"\\n5. In sk_msg_shift_left, after shifting, i has already pointed to the next\\nelement. Addtional sk_msg_iter_var_next may result in BUG.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/275a9f3ef8fabb0cb282a62b9e164dedba7284c5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5d609ba262475db450ba69b8e8a557bd768ac07a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/785180bed9879680d8e5c5e1b54c8ae8d948f4c8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/98c7ea7d11f2588e8197db042e0291e4ac8f8346\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d26d977633d1d0b8bf9407278189bd0a8d973323\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d3f5763b3062514a234114e97bbde74d8d702449\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e1f54c61c4c9a5244eb8159dce60d248f7d97b32\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f58d3aa457e77a3d9b3df2ab081dcf9950f6029f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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