{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "b74a120bcf50787e5b9a2c3dcff999f9836ce1db"
            },
            {
              "fixed": "da10db73ada26345244ea5dc52f974692bd05f66"
            },
            {
              "fixed": "a34dac6482e53e2c76944f25b1489b9b7da3a6e6"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46067.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/core: validate damos_quota_goal-\u003enid for node_memcg_{used,free}_bp\n\nUsers can set damos_quota_goal-\u003enid with arbitrary value for\nnode_memcg_{used,free}_bp.  But DAMON core is using those for NODE-DATA()\nwithout a validation of the value.  This can result in out of bounds\nmemory access.  The issue can actually triggered using DAMON user-space\ntool (damo), like below.\n\n    $ sudo mkdir /sys/fs/cgroup/foo\n    $ sudo ./damo start --damos_action stat --damos_quota_interval 1s \\\n            --damos_quota_goal node_memcg_used_bp 50% -1 /foo\n    $ sudo dmseg\n    [...]\n    [  524.181426] Unable to handle kernel paging request at virtual address 0000000000002c00\n\nFix this issue by adding the validation of the given node id.  If an\ninvalid node id is given, it returns 0% for used memory ratio, and 100%\nfor free memory ratio.",
  "id": "CVE-2026-46067",
  "modified": "2026-07-15T01:49:06.573985785Z",
  "published": "2026-05-27T12:57:45.648Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a34dac6482e53e2c76944f25b1489b9b7da3a6e6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/da10db73ada26345244ea5dc52f974692bd05f66"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46067.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46067"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "mm/damon/core: validate damos_quota_goal-\u003enid for node_memcg_{used,free}_bp"
}