{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "fd2ed4d252701d3bbed4cd3e3d267ad469bb832a"
            },
            {
              "fixed": "c3f211b7a277dd404b4e7d23095be964b5b46a27"
            },
            {
              "fixed": "74210fa072960a18bb0eead487585452af722e4f"
            },
            {
              "fixed": "0c8f7870ed3ebd512f090d7714cc2c556b9e5c75"
            },
            {
              "fixed": "cc87e26d9cce22061dc21e51e11afef29dbbc36a"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.12.0"
            },
            {
              "fixed": "6.12.109"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.50"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80963.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm-stats: fix a crash if allocation of per-cpu data fails\n\nIf \"dm_kvzalloc(percpu_alloc_size, cpu_to_node(cpu))\" fails, the code\njumps to the \"out\" label and calls dm_stat_free. dm_stat_free does\n\"for_each_possible_cpu(cpu) { dm_kvfree(s-\u003estat_percpu[cpu][0].histogram,\ns-\u003ehistogram_alloc_size);\", which crashes with NULL pointer dereference\nif s-\u003estat_percpu[cpu] is NULL.\n\nThis commit fixes the bug by testing s-\u003estat_percpu[cpu] for NULL before\nusing it.",
  "id": "CVE-2026-80963",
  "modified": "2026-09-13T03:30:19.143966520Z",
  "published": "2026-09-11T19:42:29.172Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0c8f7870ed3ebd512f090d7714cc2c556b9e5c75"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/74210fa072960a18bb0eead487585452af722e4f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c3f211b7a277dd404b4e7d23095be964b5b46a27"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cc87e26d9cce22061dc21e51e11afef29dbbc36a"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80963.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80963"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "dm-stats: fix a crash if allocation of per-cpu data fails"
}