{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "ae1c802382f7af60aa54879fb4f5920a9df1ff48"
            },
            {
              "fixed": "b7adeba2a21c98c7b20f18e27e3ead86bdb5e08d"
            },
            {
              "fixed": "fcc8c310539c3cc523419113b227161a96b50550"
            },
            {
              "fixed": "4b06449384b9ee5b3372bab60601ba5cd4162086"
            },
            {
              "fixed": "02f67c4f88be8e3dbd91951d13cdcc5bcc82e9c7"
            },
            {
              "fixed": "fc680afc510157f6b137956011c09abc23eb0842"
            },
            {
              "fixed": "c844b7d9a9586de15dd28c06da5cc7f6ab28787d"
            },
            {
              "fixed": "c17f06d8a085d6be58b544a440ce243f5e441a60"
            },
            {
              "fixed": "b983c56426383e4a06fa5970c4e33cee879b1482"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.17.0"
            },
            {
              "fixed": "5.10.261"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.212"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.178"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.145"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.97"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.40"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72010.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncgroup/cpuset: rebind mm mempolicy to effective_mems, not mems_allowed\n\nCreating a child cpuset where cpuset.mems is never set leads to a div/0\nwhen a VMA mempolicy with MPOL_F_RELATIVE_NODES rebinds in response to a\nCPU hotplug event.\n\nReproduction steps:\n 1) Create a cgroup w/ cpuset controls (do not set cpuset.mems)\n 2) Move the task into the child cpuset\n 3) Create a VMA mempolicy for that task with MPOL_F_RELATIVE_NODES\n 4) unplug and hotplug a cpu\n      echo 0 \u003e /sys/devices/system/cpu/cpu1/online\n      echo 1 \u003e /sys/devices/system/cpu/cpu1/online\n 5) mempolicy rebind does a div/0 in mpol_relative_nodemask on the\n    call to __nodes_fold()\n\nThe cpuset code passes (cs-\u003emems_allowed) which is not guaranteed to have\nnodes to the rebind routine.  Use cs-\u003eeffective_mems instead, which is\nguaranteed to have a non-empty nodemask once we reach that code path.\n\n[ david: add a comment, slightly rephrase description ]",
  "id": "CVE-2026-72010",
  "modified": "2026-08-16T03:31:07.479419685Z",
  "published": "2026-08-15T05:51:39.755Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/02f67c4f88be8e3dbd91951d13cdcc5bcc82e9c7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4b06449384b9ee5b3372bab60601ba5cd4162086"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b7adeba2a21c98c7b20f18e27e3ead86bdb5e08d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b983c56426383e4a06fa5970c4e33cee879b1482"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c17f06d8a085d6be58b544a440ce243f5e441a60"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c844b7d9a9586de15dd28c06da5cc7f6ab28787d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fc680afc510157f6b137956011c09abc23eb0842"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fcc8c310539c3cc523419113b227161a96b50550"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72010.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72010"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "cgroup/cpuset: rebind mm mempolicy to effective_mems, not mems_allowed"
}