gsd-2023-3611
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
An out-of-bounds write vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation. The qfq_change_agg() function in net/sched/sch_qfq.c allows an out-of-bounds write because lmax is updated according to packet sizes without bounds checks. We recommend upgrading past commit 3e337087c3b5805fe0b8a46ba622a962880b5d64.
Aliases
Aliases
CVE-2023-3611


To clipboard 

{
  "GSD": {
    "alias": "CVE-2023-3611",
    "id": "GSD-2023-3611"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-3611"
      ],
      "details": "An out-of-bounds write vulnerability in the Linux kernel\u0027s net/sched: sch_qfq component can be exploited to achieve local privilege escalation.\n\nThe qfq_change_agg() function in net/sched/sch_qfq.c allows an out-of-bounds write because lmax is updated according to packet sizes without bounds checks.\n\nWe recommend upgrading past commit 3e337087c3b5805fe0b8a46ba622a962880b5d64.\n\n",
      "id": "GSD-2023-3611",
      "modified": "2023-12-13T01:20:55.110562Z",
      "schema_version": "1.4.0"
    }
  },
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        "STATE": "PUBLIC"
      },
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              "product": {
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                    "product_name": "Kernel",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "3.8",
                          "version_value": "6.5"
                        }
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                ]
              },
              "vendor_name": "Linux"
            }
          ]
        }
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      "data_version": "4.0",
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            "value": "An out-of-bounds write vulnerability in the Linux kernel\u0027s net/sched: sch_qfq component can be exploited to achieve local privilege escalation.\n\nThe qfq_change_agg() function in net/sched/sch_qfq.c allows an out-of-bounds write because lmax is updated according to packet sizes without bounds checks.\n\nWe recommend upgrading past commit 3e337087c3b5805fe0b8a46ba622a962880b5d64.\n\n"
          }
        ]
      },
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            "baseScore": 7.8,
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            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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                "cweId": "CWE-787",
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      "references": {
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            "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e337087c3b5805fe0b8a46ba622a962880b5d64",
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          }
        ]
      },
      "source": {
        "discovery": "EXTERNAL"
      }
    },
    "nvd.nist.gov": {
      "cve": {
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                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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        "descriptions": [
          {
            "lang": "en",
            "value": "An out-of-bounds write vulnerability in the Linux kernel\u0027s net/sched: sch_qfq component can be exploited to achieve local privilege escalation.\n\nThe qfq_change_agg() function in net/sched/sch_qfq.c allows an out-of-bounds write because lmax is updated according to packet sizes without bounds checks.\n\nWe recommend upgrading past commit 3e337087c3b5805fe0b8a46ba622a962880b5d64.\n\n"
          }
        ],
        "id": "CVE-2023-3611",
        "lastModified": "2024-01-11T19:15:10.547",
        "metrics": {
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                "confidentialityImpact": "HIGH",
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              "type": "Primary"
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        "published": "2023-07-21T21:15:11.897",
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        "vulnStatus": "Modified",
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            "type": "Secondary"
          }
        ]
      }
    }
  }
}


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