{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "3f02cb2fd9d2d9e8762102886e3e4b51285797ee"
            },
            {
              "fixed": "3c94d4179bcc19e01b28db634c07a58b28116209"
            },
            {
              "fixed": "0edd222730a9d7ec98368aaf1d40ee2d8d862e61"
            },
            {
              "fixed": "a3d60ae24183eee352c8e87a0ff94c97cd87f156"
            },
            {
              "fixed": "49fa26b0df009dc1f420980bd71780e70615b83b"
            },
            {
              "fixed": "7902be374cbfc11c3435e1e87bf22195bf06a558"
            },
            {
              "fixed": "c76c4ee72bfc3824f4f491f18ed0323bf2e2daf9"
            },
            {
              "fixed": "16b0798024c0e9117e395829ddbbe70981c79d9c"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.8.0"
            },
            {
              "fixed": "5.15.218"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.185"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.154"
            }
          ],
          "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-2026-80547.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/vfio_ccw: Implement a crw lock\n\nUnlike the channel_program struct, which covers synchronous I/O\nsubmissions and asynchronous interrupts, the CRW region relies\nexclusively on asynchronous events coming from hardware.\n\nImplement a lock to manage the list of those payloads, to ensure\nthey are read cohesively.",
  "id": "CVE-2026-80547",
  "modified": "2026-08-28T03:30:23.546599301Z",
  "published": "2026-08-26T14:37:18.159Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0edd222730a9d7ec98368aaf1d40ee2d8d862e61"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/16b0798024c0e9117e395829ddbbe70981c79d9c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3c94d4179bcc19e01b28db634c07a58b28116209"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/49fa26b0df009dc1f420980bd71780e70615b83b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7902be374cbfc11c3435e1e87bf22195bf06a558"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a3d60ae24183eee352c8e87a0ff94c97cd87f156"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c76c4ee72bfc3824f4f491f18ed0323bf2e2daf9"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80547.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80547"
    },
    {
      "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: Implement a crw lock"
}