{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "3df91ea20e744344100b10ae69a17211fcf5b207"
            },
            {
              "fixed": "3634cbdc2eb414b69ffa752ddbe5e0458518e321"
            },
            {
              "fixed": "e1c100e2d61bd8c718b7d91fe3e050780a9bf72d"
            },
            {
              "fixed": "deb8493a8fa599f6c95e2465b12bfdfb7f94a1d9"
            },
            {
              "fixed": "89dec92041717b027216e110599e4f6d6c921b79"
            },
            {
              "fixed": "50dfec218808b148ab4247b1858031b7a32015c5"
            },
            {
              "fixed": "859d3ace791ed878ae9ba5522c7844d960da8f88"
            },
            {
              "fixed": "7555fd885a0603f50e49a655850a1f2bd8a25398"
            },
            {
              "fixed": "8c8e620467a7b51562dbcefbd1f09f288d7d710d"
            }
          ],
          "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": "5.10.259"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.210"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.176"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.143"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.93"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.35"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53358.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: use chan timer to close channels in cleanup_listen()\n\nl2cap_chan_close() removes the channel from conn-\u003echan_l, which\nmust be done under conn-\u003elock.  cleanup_listen() runs under the\nparent sk_lock, so acquiring conn-\u003elock would invert the\nestablished conn-\u003elock -\u003e chan-\u003elock -\u003e sk_lock order.\n\nInstead of calling l2cap_chan_close() directly, schedule\nl2cap_chan_timeout with delay 0 to close the channel\nasynchronously.  The timeout handler already acquires conn-\u003elock\nand chan-\u003elock in the correct order.\n\nThe timer is only armed when chan-\u003econn is still set: if it is\nalready NULL, l2cap_conn_del() has already processed this channel\n(l2cap_chan_del + l2cap_sock_teardown_cb + l2cap_sock_close_cb),\nso there is nothing left to do.  If l2cap_conn_del() races in\nafter the timer is armed, __clear_chan_timer() inside\nl2cap_chan_del() cancels it; if the timer has already fired, the\nhandler returns harmlessly because chan-\u003econn was cleared.",
  "id": "CVE-2026-53358",
  "modified": "2026-07-08T05:36:10.720337785Z",
  "published": "2026-07-02T13:43:17.630Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3634cbdc2eb414b69ffa752ddbe5e0458518e321"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/50dfec218808b148ab4247b1858031b7a32015c5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7555fd885a0603f50e49a655850a1f2bd8a25398"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/859d3ace791ed878ae9ba5522c7844d960da8f88"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/89dec92041717b027216e110599e4f6d6c921b79"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8c8e620467a7b51562dbcefbd1f09f288d7d710d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/deb8493a8fa599f6c95e2465b12bfdfb7f94a1d9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e1c100e2d61bd8c718b7d91fe3e050780a9bf72d"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53358.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53358"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "Bluetooth: L2CAP: use chan timer to close channels in cleanup_listen()"
}