{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2"
            },
            {
              "fixed": "79dc4b508e3f2649390a1f745f7657813e5938ec"
            },
            {
              "fixed": "a2f9fa31ae021ef1fdcaf3ab17bd49f9223dd6a4"
            },
            {
              "fixed": "b589a965184dde49c43b8caf5bcc65715a7b4ef2"
            },
            {
              "fixed": "c7881b6088276601beaccb7440b8d56eab0d65ae"
            },
            {
              "fixed": "b2fc9955ddc7c4ca03be44b995193bd6486c62e1"
            },
            {
              "fixed": "61a7ff4a62003b55a15022567486741b3bd83914"
            },
            {
              "fixed": "21a537606fe35be2b85971a5fd35c0023b6ef98f"
            },
            {
              "fixed": "660667cd406648bbaffbd5c0d897c2263a852f11"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.12"
            },
            {
              "fixed": "5.10.261"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "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/2026/72xxx/CVE-2026-72022.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nllc: fix SAP refcount leak in llc_ui_autobind()\n\nllc_ui_autobind() opens a SAP after choosing a dynamic LSAP.\nllc_sap_open() returns a reference owned by the caller, and\nllc_sap_add_socket() takes a second reference for the socket's\nmembership in the SAP hash tables.\n\nllc_ui_bind() drops the caller's reference after adding the socket,\nbut llc_ui_autobind() keeps it. When the socket is closed,\nllc_sap_remove_socket() releases only the socket reference, leaving\nthe SAP on llc_sap_list with sk_count == 0.\n\nThis is user-visible because repeated autobind and close cycles can consume\nall dynamic SAP values and make later autobinds fail with -EUSERS.\n\nDrop the caller's reference after a successful autobind, matching\nllc_ui_bind()'s ownership model.",
  "id": "CVE-2026-72022",
  "modified": "2026-08-18T03:31:05.872559975Z",
  "published": "2026-08-15T05:51:47.978Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/21a537606fe35be2b85971a5fd35c0023b6ef98f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/61a7ff4a62003b55a15022567486741b3bd83914"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/660667cd406648bbaffbd5c0d897c2263a852f11"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/79dc4b508e3f2649390a1f745f7657813e5938ec"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a2f9fa31ae021ef1fdcaf3ab17bd49f9223dd6a4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b2fc9955ddc7c4ca03be44b995193bd6486c62e1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b589a965184dde49c43b8caf5bcc65715a7b4ef2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c7881b6088276601beaccb7440b8d56eab0d65ae"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72022.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72022"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "llc: fix SAP refcount leak in llc_ui_autobind()"
}