{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "e5f84dbaea59b4f712dac428c337528b70e1c533"
            },
            {
              "fixed": "87d569cb35a541b31a184faf982540694d4c9a89"
            },
            {
              "fixed": "7492ca2d0c5d59add01e267be9f5a6eeb8076fd7"
            },
            {
              "fixed": "b94b28c1f0fae53b2f2d6180ae6442c9a1558f67"
            },
            {
              "fixed": "e868ea8be0bc88c6982f48ecf3259d98afd884ae"
            },
            {
              "fixed": "dc47a98abe6714577a25224534dbd356051097a3"
            },
            {
              "fixed": "b7ae0f7993867d009a4b554fc1d6d451c10580a0"
            },
            {
              "fixed": "77f5e888d2e607a0b3141fb95091ad6ef1cca9a2"
            },
            {
              "fixed": "79c60b2c61105368dcc8444eb45847e21734f7c4"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.12.0"
            },
            {
              "fixed": "5.10.267"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.218"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.185"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.153"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.105"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.46"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80553.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/vfio_ccw: Cancel existing workqueues\n\nThe initialization of the io_work and crw_work workqueues begs the\nquestion of whether they should be un-initialized. Add the corresponding\ncleanup tags in _release_dev to ensure work isn't dispatched after\nthe private struct is free'd.",
  "id": "CVE-2026-80553",
  "modified": "2026-08-28T03:30:45.859169372Z",
  "published": "2026-08-26T14:37:21.774Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7492ca2d0c5d59add01e267be9f5a6eeb8076fd7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/77f5e888d2e607a0b3141fb95091ad6ef1cca9a2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/79c60b2c61105368dcc8444eb45847e21734f7c4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/87d569cb35a541b31a184faf982540694d4c9a89"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b7ae0f7993867d009a4b554fc1d6d451c10580a0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b94b28c1f0fae53b2f2d6180ae6442c9a1558f67"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dc47a98abe6714577a25224534dbd356051097a3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e868ea8be0bc88c6982f48ecf3259d98afd884ae"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80553.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80553"
    },
    {
      "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:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "s390/vfio_ccw: Cancel existing workqueues"
}