{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "7210cb7a72a22303cdb225bd1aea28697a17bbae"
            },
            {
              "fixed": "67288113c5e6cf9e659b4065c0ed6f16100e0c71"
            },
            {
              "fixed": "082083c9fbd99422a0370fe2102144a231c9f5d6"
            },
            {
              "fixed": "5f053a2e7209d326cbbc07738fa6d6893d307438"
            },
            {
              "fixed": "080e5563f878c64e697b89e7439d730d0daad882"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.4.0"
            },
            {
              "fixed": "6.12.75"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.16"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43125.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndlm: validate length in dlm_search_rsb_tree\n\nThe len parameter in dlm_dump_rsb_name() is not validated and comes\nfrom network messages. When it exceeds DLM_RESNAME_MAXLEN, it can\ncause out-of-bounds write in dlm_search_rsb_tree().\n\nAdd length validation to prevent potential buffer overflow.",
  "id": "CVE-2026-43125",
  "modified": "2026-07-08T05:36:13.538319315Z",
  "published": "2026-05-06T11:27:10.903Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/080e5563f878c64e697b89e7439d730d0daad882"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/082083c9fbd99422a0370fe2102144a231c9f5d6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5f053a2e7209d326cbbc07738fa6d6893d307438"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/67288113c5e6cf9e659b4065c0ed6f16100e0c71"
    },
    {
      "type": "WEB",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43125.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:25120"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:25121"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:25217"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:33899"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:33900"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:34094"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:34095"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:35844"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:35863"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43125"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43125.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43125"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467234"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "dlm: validate length in dlm_search_rsb_tree"
}