{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "96d8e90382dc336b5de401164597edfdc2e8d9f1"
            },
            {
              "fixed": "d12f6add48f2da15c8c8281961d3faad804c76cf"
            },
            {
              "fixed": "aa1d005927db38af783c1a4a8a00a39e0229ab2d"
            },
            {
              "fixed": "a02e1d8f191324583599544d54e59e6a2b74bb0e"
            },
            {
              "fixed": "a3314f10369df70925140f59bbe069718f65a0b9"
            },
            {
              "fixed": "765ba1c91823a296447528791b89a6504947fd5c"
            },
            {
              "fixed": "5832c55b3c824ba2fe9c36ac3c411baddcce053e"
            },
            {
              "fixed": "c43122fef328a70045fe7621c06de6b2b8e19264"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.36"
            },
            {
              "fixed": "5.15.217"
            }
          ],
          "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/2026/64xxx/CVE-2026-64585.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: esd_usb: kill anchored URBs before freeing netdevs\n\nesd_usb_disconnect() frees each CAN netdev with free_candev() inside\nits per-netdev loop and only calls unlink_all_urbs(dev) afterwards.\nThe per-netdev private data (struct esd_usb_net_priv) is embedded in\nthe net_device allocation returned by alloc_candev(), so once\nfree_candev() has run, dev-\u003enets[i] points to freed memory.\nunlink_all_urbs() then dereferences the freed dev-\u003enets[i] to kill the\nper-netdev TX anchor (usb_kill_anchored_urbs(\u0026priv-\u003etx_submitted)),\nclear active_tx_jobs, and reset priv-\u003etx_contexts[].\n\nReorder the teardown so the anchored URBs are killed before the netdevs\nare freed, matching other CAN/USB drivers in the same directory such as\nems_usb, usb_8dev and mcba_usb, which unregister, then unlink, then\nfree: unregister the netdevs first (which stops their TX queues), call\nunlink_all_urbs(dev) once, then free the netdevs.\n\nThis issue was found by an in-house static analysis tool.",
  "id": "CVE-2026-64585",
  "modified": "2026-08-25T03:51:35.576629116Z",
  "published": "2026-08-06T07:06:26.556Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5832c55b3c824ba2fe9c36ac3c411baddcce053e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/765ba1c91823a296447528791b89a6504947fd5c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a02e1d8f191324583599544d54e59e6a2b74bb0e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a3314f10369df70925140f59bbe069718f65a0b9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/aa1d005927db38af783c1a4a8a00a39e0229ab2d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c43122fef328a70045fe7621c06de6b2b8e19264"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d12f6add48f2da15c8c8281961d3faad804c76cf"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64585.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64585"
    },
    {
      "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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "can: esd_usb: kill anchored URBs before freeing netdevs"
}