{
  "affected": [
    {
      "ranges": [
        {
          "events": [
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              "introduced": "960b08dd36de1e341e3eb43d1c547513e338f4f8"
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              "fixed": "3665e644ea081c4624a1637023b0de3b29f4ae04"
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
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            {
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            {
              "fixed": "242408b5b763c01288adf3113cbce84378a76e1a"
            },
            {
              "fixed": "d0597074e99731fdad5593e4f6d056a3866f2cab"
            },
            {
              "fixed": "689b7267f8632b4661879dc323e26ebb60978afb"
            },
            {
              "fixed": "22100a8f73d4ae4f17697dae93d4e2e1d283a6ec"
            },
            {
              "fixed": "7f72c285f6d3bf63968a0344beee8ab1b370198b"
            },
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              "fixed": "20054869770c7df060c5ecee3e8bbf9029c47191"
            }
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
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            {
              "last_affected": "26b8d10703a9be45d6097946b2b4011f7dd2c56f"
            },
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              "last_affected": "19892ab9c9d838e2e5a7744d36e4bb8b7c3292fe"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
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            },
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            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
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              "introduced": "5.12.13"
            },
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            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
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      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
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          ],
          "type": "ECOSYSTEM"
        },
        {
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            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.13.0"
            },
            {
              "fixed": "6.1.178"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.6.145"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.12.97"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.18.40"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
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      ]
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  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72298.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: qrtr: fix 32-bit integer overflow in qrtr_endpoint_post()\n\nqrtr_endpoint_post() validates an incoming packet with\n\n\tif (!size || len != ALIGN(size, 4) + hdrlen)\n\t\tgoto err;\n\nwhere size comes from the wire. On 32-bit, size_t is 32 bits and\nALIGN(size, 4) wraps to 0 for size \u003e= 0xfffffffd, so the check\npasses and skb_put_data(skb, data + hdrlen, size) writes past the\nhdrlen-sized skb and oopses the kernel. 64-bit is unaffected.\n\nThis is the 32-bit residual of ad9d24c9429e2 (\"net: qrtr: fix OOB\nRead in qrtr_endpoint_post\"), which fixed only the 64-bit case.\n\nReject any size that cannot fit the buffer before the ALIGN.",
  "id": "CVE-2026-72298",
  "modified": "2026-08-18T03:31:10.629362556Z",
  "published": "2026-08-15T05:55:18.529Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/20054869770c7df060c5ecee3e8bbf9029c47191"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/22100a8f73d4ae4f17697dae93d4e2e1d283a6ec"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/242408b5b763c01288adf3113cbce84378a76e1a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3665e644ea081c4624a1637023b0de3b29f4ae04"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/689b7267f8632b4661879dc323e26ebb60978afb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7f72c285f6d3bf63968a0344beee8ab1b370198b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b609f7f46916c6b05585ca82455077198a23770f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d0597074e99731fdad5593e4f6d056a3866f2cab"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72298.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72298"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "net: qrtr: fix 32-bit integer overflow in qrtr_endpoint_post()"
}