{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "5033091de814ab4b5623faed2755f3064e19e2d2"
            },
            {
              "fixed": "686b4283f82cd630fafd7ca9b03dfc080b3ec8fa"
            },
            {
              "fixed": "ce60d9452a0f2effa72fd20ea270c59ca691d455"
            },
            {
              "fixed": "24840b3139d7415144b81e4f9f4c44670d15bed9"
            },
            {
              "fixed": "8502e2c2d0633f99d94d22ae8dabc10caae1fc2a"
            },
            {
              "fixed": "03a2cc1756a0570f887d624cd6c535ea0cbd4951"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.142"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.92"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.34"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64182.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers/base/memory: fix memory block reference leak in poison accounting\n\nmemblk_nr_poison_inc() and memblk_nr_poison_sub() look up a memory block\nvia find_memory_block_by_id(), which acquires a reference to the memory\nblock device.\n\nBoth helpers use the returned memory block without dropping that\nreference, leaking the device reference on each successful lookup.  Drop\nthe reference after updating nr_hwpoison.",
  "id": "CVE-2026-64182",
  "modified": "2026-08-13T03:51:46.839119501Z",
  "published": "2026-07-19T15:41:05.186Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/03a2cc1756a0570f887d624cd6c535ea0cbd4951"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/24840b3139d7415144b81e4f9f4c44670d15bed9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/686b4283f82cd630fafd7ca9b03dfc080b3ec8fa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8502e2c2d0633f99d94d22ae8dabc10caae1fc2a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ce60d9452a0f2effa72fd20ea270c59ca691d455"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64182.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64182"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "drivers/base/memory: fix memory block reference leak in poison accounting"
}