{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "27291e2165b6de70c476b7b675308113edd69a60"
            },
            {
              "fixed": "39e7cebb889839b5762c9ad22e2d715b5883b288"
            },
            {
              "fixed": "58b1b729a9f90c80b508fc3e2174cbc0ee50859e"
            },
            {
              "fixed": "9071f75cbde3bf46119cb28e92cfbef830c4bf97"
            },
            {
              "fixed": "5940418e4232a2ff1d30ba12e0d213dbf48f0a83"
            },
            {
              "fixed": "fc2034c431adcbaabf5f8a01912358f07355349e"
            },
            {
              "fixed": "44bf3792c10f4bb3de507391f1837e020d92eaa2"
            },
            {
              "fixed": "581be9f6085834188cef1ad2f07babf3b421e409"
            },
            {
              "fixed": "121ea1de927c8b9bfdf53c31cad27b86d5de0293"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.16.0"
            },
            {
              "fixed": "5.10.270"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.221"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.188"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.157"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.51"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89925.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: Fix memory leak in guest debug handling\n\nbp_data is freed only for the error case by kfree(bp_data).\nEvery successful KVM_SET_GUEST_DEBUG will leak bp_data.",
  "id": "CVE-2026-89925",
  "modified": "2026-09-18T03:30:57.414043901Z",
  "published": "2026-09-16T10:32:18.111Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/121ea1de927c8b9bfdf53c31cad27b86d5de0293"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/39e7cebb889839b5762c9ad22e2d715b5883b288"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/44bf3792c10f4bb3de507391f1837e020d92eaa2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/581be9f6085834188cef1ad2f07babf3b421e409"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/58b1b729a9f90c80b508fc3e2174cbc0ee50859e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5940418e4232a2ff1d30ba12e0d213dbf48f0a83"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9071f75cbde3bf46119cb28e92cfbef830c4bf97"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fc2034c431adcbaabf5f8a01912358f07355349e"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89925.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89925"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "KVM: s390: Fix memory leak in guest debug handling"
}