{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "eafaa88b3eb7f28aecb222281655473431d3ef2e"
            },
            {
              "fixed": "09a37dca090c55ffb1a33f52d8667f1c2367ef48"
            },
            {
              "fixed": "a4b64f3e9c7b8259f7dd251a0313420ba7c01852"
            },
            {
              "fixed": "71c986c0ba45b7dc574fae27c83e7b6671556f37"
            },
            {
              "fixed": "fbd0662f9c9a66e8cc3df3099cca8ed6d3837cc7"
            },
            {
              "fixed": "78607a6854a22a2502f68092202e75a39af4865d"
            },
            {
              "fixed": "f229426072fc865654a60978bb7fda790a051ff3"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.176"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.143"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.93"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.35"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64000.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hsr: fix potential OOB access in supervision frame handling\n\nEnsure the entire TLV header is linearized before access by adding\nsizeof(struct hsr_sup_tlv) to the pskb_may_pull() calls. Without this,\na truncated frame could cause an out-of-bounds access.",
  "id": "CVE-2026-64000",
  "modified": "2026-07-21T03:42:15.458935029Z",
  "published": "2026-07-19T14:56:18.116Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/09a37dca090c55ffb1a33f52d8667f1c2367ef48"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/71c986c0ba45b7dc574fae27c83e7b6671556f37"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/78607a6854a22a2502f68092202e75a39af4865d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a4b64f3e9c7b8259f7dd251a0313420ba7c01852"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f229426072fc865654a60978bb7fda790a051ff3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fbd0662f9c9a66e8cc3df3099cca8ed6d3837cc7"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64000.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64000"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "net: hsr: fix potential OOB access in supervision frame handling"
}