{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "9d71dd0c70099914fcd063135da3c580865e924c"
            },
            {
              "fixed": "348818277a3646d5b9fa60c9d20c00dc4bc86832"
            },
            {
              "fixed": "f3e120a34b336079479fa10f706f0636eaa6e751"
            },
            {
              "fixed": "bbfa49d1e287de44994955b44d19281be3195b44"
            },
            {
              "fixed": "194d67e92197eb820f4c2c6605d9721333b3eba0"
            },
            {
              "fixed": "038bad8e16c2e28acf31f0b527a816fb23a57269"
            },
            {
              "fixed": "8604a3b81b9d0ceaf04fee5f52e701f623a179f9"
            },
            {
              "fixed": "d5b3613c7d69d8dcb4dd6704f1f463198ce9f6cf"
            },
            {
              "fixed": "eb96c58907922546e415e545fe9a14ea63b02719"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.4.0"
            },
            {
              "fixed": "5.10.265"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.216"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.183"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.151"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.103"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.44"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80707.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: j1939: transport: j1939_session_fresh_new(): initialize receive buffer\n\nZero the allocated buffer in j1939_session_fresh_new() to ensure it\ncontains no residual data.\n\nWhile there is a potential performance impact if users allocate maximum\nsized ETP buffers, most real-world use cases are not noticeably affected\nsince the maximum known buffer size is typically around 65K.\n\n[mkl: add Message-ID]",
  "id": "CVE-2026-80707",
  "modified": "2026-08-31T03:30:58.140530162Z",
  "published": "2026-08-28T06:53:08.244Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/038bad8e16c2e28acf31f0b527a816fb23a57269"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/194d67e92197eb820f4c2c6605d9721333b3eba0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/348818277a3646d5b9fa60c9d20c00dc4bc86832"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8604a3b81b9d0ceaf04fee5f52e701f623a179f9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bbfa49d1e287de44994955b44d19281be3195b44"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d5b3613c7d69d8dcb4dd6704f1f463198ce9f6cf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/eb96c58907922546e415e545fe9a14ea63b02719"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f3e120a34b336079479fa10f706f0636eaa6e751"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80707.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80707"
    },
    {
      "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:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "can: j1939: transport: j1939_session_fresh_new(): initialize receive buffer"
}