{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "a10787e6d58c24b51e91c19c6d16c5da89fcaa4b"
            },
            {
              "fixed": "c3fd6f28c7ce1142a3b23dbb840eaa4777de1d74"
            },
            {
              "fixed": "9cff220ddb65b022cc668bb652200742476e744c"
            },
            {
              "fixed": "c4f626ddf2350652ad2f79daf1f10847f3f6eabd"
            },
            {
              "fixed": "43f0005f81b8ce3be962d653cde8db9022f1e9b0"
            },
            {
              "fixed": "9b51a6155d14389876916726430da30eabb1d4ed"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.13.0"
            },
            {
              "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-2026-72110.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf,fork: wipe -\u003ebpf_storage before bailouts that access it\n\nCurrently, copy_process() can bail out to free_task() before p-\u003ebpf_storage\nhas been initialized, with this call graph (shown here for the\n!CONFIG_MEMCG case):\n\ncopy_process\n  dup_task_struct\n    arch_dup_task_struct\n      [copies the entire task_struct, including -\u003ebpf_storage member]\n  [RLIMIT_NPROC check fails]\n  delayed_free_task\n    free_task\n      bpf_task_storage_free\n        rcu_dereference(task-\u003ebpf_storage)\n        bpf_local_storage_destroy\n\nIn this case, the nascent task's -\u003ebpf_storage member that\nbpf_local_storage_destroy() operates on is a plain copy of the parent's\n-\u003ebpf_storage pointer, not a real initialized pointer.\nThis leads to badness (kernel hangs, UAF).\n\nThis is reachable as long as the process calling fork() has been inserted\ninto a task storage map.",
  "id": "CVE-2026-72110",
  "modified": "2026-08-18T03:31:30.504423906Z",
  "published": "2026-08-15T05:52:51.805Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/43f0005f81b8ce3be962d653cde8db9022f1e9b0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9b51a6155d14389876916726430da30eabb1d4ed"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9cff220ddb65b022cc668bb652200742476e744c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c3fd6f28c7ce1142a3b23dbb840eaa4777de1d74"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c4f626ddf2350652ad2f79daf1f10847f3f6eabd"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72110.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72110"
    },
    {
      "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:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "bpf,fork: wipe -\u003ebpf_storage before bailouts that access it"
}