{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "904813cd8a0b334189da285bb05af0b18b062502"
            },
            {
              "fixed": "f42217fa7d535e9ec4151f7971f06f6ea65e850a"
            },
            {
              "fixed": "c087749815379e9af2fdbeb08bfc33870b103958"
            },
            {
              "fixed": "e4a87126c085b097d29e17e3b7647295bba8be7c"
            },
            {
              "fixed": "685e92934f11d5e215dad58813e2f9955ac2f436"
            },
            {
              "fixed": "4dc8484be3302d187274364820d3bef6c62bde32"
            },
            {
              "fixed": "b153cfe84b1340c69a13d0957665a2bfcf21239c"
            },
            {
              "fixed": "ea866cab12db1a2100b400a8b03569e5bc0ee29a"
            },
            {
              "fixed": "03f384bc0cb8d4a1301d4f5b0baef2d980258383"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.14"
            },
            {
              "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/2026/64xxx/CVE-2026-64547.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: net1080: validate packet_len before pad-byte access in rx_fixup\n\nFor an even packet_len, net1080_rx_fixup() reads the pad byte at\nskb-\u003edata[packet_len] before the skb-\u003elen != packet_len check further\ndown, and packet_len is only bounded against NC_MAX_PACKET. A malicious\nNetChip 1080 device can send a short frame advertising a large even\npacket_len (e.g. 0x4000), so the pad-byte read lands past the end of the\nskb:\n\n  BUG: KASAN: slab-out-of-bounds in net1080_rx_fixup\n  Read of size 1 at addr ffff8880106c83c6 by task ksoftirqd/0/14\n   ...\n   net1080_rx_fixup (drivers/net/usb/net1080.c:384)\n   usbnet_bh (drivers/net/usb/usbnet.c:1589)\n   process_one_work (kernel/workqueue.c:3322)\n   bh_worker (kernel/workqueue.c:3708)\n   tasklet_action (kernel/softirq.c:965)\n   handle_softirqs (kernel/softirq.c:622)\n   ...\n\nReject the frame when packet_len \u003e= skb-\u003elen before reading.",
  "id": "CVE-2026-64547",
  "modified": "2026-08-18T03:30:58.651987075Z",
  "published": "2026-07-27T20:10:37.786Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/03f384bc0cb8d4a1301d4f5b0baef2d980258383"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4dc8484be3302d187274364820d3bef6c62bde32"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/685e92934f11d5e215dad58813e2f9955ac2f436"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b153cfe84b1340c69a13d0957665a2bfcf21239c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c087749815379e9af2fdbeb08bfc33870b103958"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e4a87126c085b097d29e17e3b7647295bba8be7c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ea866cab12db1a2100b400a8b03569e5bc0ee29a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f42217fa7d535e9ec4151f7971f06f6ea65e850a"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64547.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64547"
    },
    {
      "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:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "net: usb: net1080: validate packet_len before pad-byte access in rx_fixup"
}