{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "37922ea4a3105176357c8d565a9d982c4a08714a"
            },
            {
              "fixed": "cd1955f81bd8ebeef51b324989ac871ad1947fb6"
            },
            {
              "fixed": "f683200b83a0085d4e11abea8c1fdd9fdfb95b0b"
            },
            {
              "fixed": "f1715d92ee3095d9215b493a8603a81f646fcf61"
            },
            {
              "fixed": "581ef56e5c34d475056ce086dc2ba0e872ba6857"
            },
            {
              "fixed": "7e401233f9bb74a626e70698d0d62f3a94ac0676"
            },
            {
              "fixed": "973bf0ed896b9898668dbadb82ed849d7d573010"
            },
            {
              "fixed": "2afb648f7b99216c687db1f89739c995e1144153"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.17.0"
            },
            {
              "fixed": "5.15.212"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.178"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.145"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.97"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.40"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74281.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: reject inverted service ranges from peer bindings\n\ntipc_update_nametbl() inserts a binding advertised by a peer node using\nthe lower and upper service-range bounds taken directly from the wire,\nwithout checking that lower \u003c= upper. The local bind path validates the\nordering (tipc_uaddr_valid()), but the name-distribution path does not.\n\nA binding with lower \u003e upper is inserted at the far end of the\nservice-range rbtree (keyed on lower) where no lookup or withdrawal can\never match it (service_range_foreach_match() requires sr-\u003elower \u003c= end).\nThe publication, its service_range node and the augmented rbtree entry\nare then leaked for the lifetime of the namespace, and there is no\nper-peer cap equivalent to TIPC_MAX_PUBL on locally created bindings.\n\nReject inverted ranges in the network path as well. A peer node can\notherwise leak unbounded binding-table memory by sending PUBLICATION\nitems with lower \u003e upper.",
  "id": "CVE-2026-74281",
  "modified": "2026-08-18T03:31:18.123390906Z",
  "published": "2026-08-15T05:57:51.423Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2afb648f7b99216c687db1f89739c995e1144153"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/581ef56e5c34d475056ce086dc2ba0e872ba6857"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7e401233f9bb74a626e70698d0d62f3a94ac0676"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/973bf0ed896b9898668dbadb82ed849d7d573010"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cd1955f81bd8ebeef51b324989ac871ad1947fb6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f1715d92ee3095d9215b493a8603a81f646fcf61"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f683200b83a0085d4e11abea8c1fdd9fdfb95b0b"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74281.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74281"
    },
    {
      "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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "tipc: reject inverted service ranges from peer bindings"
}