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        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
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        "full_product_name": {
          "name": "linux-headers-4.19.0-28-amd64-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:linux-headers-4.19.0-28-amd64-0:4.19.325-1+tuxcare.els1.amd64"
        },
        "product_reference": "linux-headers-4.19.0-28-amd64-0:4.19.325-1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "hyperv-daemons-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:hyperv-daemons-0:4.19.325-1+tuxcare.els1.amd64"
        },
        "product_reference": "hyperv-daemons-0:4.19.325-1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64 as a component of Debian 10",
          "product_id": "Debian-10:linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64"
        },
        "product_reference": "linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-10"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-68194",
      "notes": [
        {
          "category": "description",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7921: drop TXRX_NOTIFY on non-mmio buses\n\nPKT_TYPE_TXRX_NOTIFY is an mmio-only event, but mt7921_rx_check() and\nmt7921_queue_rx_skb() dispatch it to mt7921_mac_tx_free() on every bus.\nmt7921_mac_tx_free() cleans the DMA tx queues with\nmt76_queue_tx_cleanup(), which calls queue_ops->tx_cleanup(). Only the\nmmio queue ops implement that callback; on USB and SDIO it is NULL, so\na TXRX_NOTIFY there calls a NULL pointer in the RX worker:\n\n  BUG: kernel NULL pointer dereference, address: 0000000000000000\n  RIP: 0010:0x0\n  Call Trace:\n   mt7921_mac_tx_free+0x64/0x310 [mt7921_common]\n   mt7921_rx_check+0x5f/0xf0 [mt7921_common]\n   mt76u_rx_worker+0x1b9/0x620 [mt76_usb]\n\nDrop the event on non-mmio buses via mt76_is_mmio(), as in\ncommit 5683e1488aa9 (\"wifi: mt76: connac: do not check WED status for\nnon-mmio devices\").",
          "title": "Vulnerability description"
        },
        {
          "category": "other",
          "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.",
          "title": "Statement"
        }
      ],
      "product_status": {
        "known_not_affected": [
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          "Debian-10:libbpf-dev-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:libbpf4.19-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:libcpupower-dev-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:libcpupower1-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-compiler-gcc-8-x86-0:4.19.325-1+tuxcare.els1.amd64",
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          "Debian-10:linux-headers-4.19.0-28-all-amd64-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-headers-4.19.0-28-amd64-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-headers-4.19.0-28-common-0:4.19.325-1+tuxcare.els1.all",
          "Debian-10:linux-image-4.19.0-28-amd64-unsigned-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-image-amd64-signed-template-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-kbuild-4.19-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-libc-dev-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-perf-4.19-0:4.19.325-1+tuxcare.els1.amd64",
          "Debian-10:linux-source-4.19-0:4.19.325-1+tuxcare.els1.all",
          "Debian-10:linux-support-4.19.0-28-0:4.19.325-1+tuxcare.els1.all"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-68194"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/24475d2ddc8d8dfd82f4d2be0d951401f86911a6",
          "url": "https://git.kernel.org/stable/c/24475d2ddc8d8dfd82f4d2be0d951401f86911a6"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/263816e92e8d66c81c98ccab2b5d2191ed08ec71",
          "url": "https://git.kernel.org/stable/c/263816e92e8d66c81c98ccab2b5d2191ed08ec71"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/7003a2cbddd7917933c1f169c7874cfa6ab852c3",
          "url": "https://git.kernel.org/stable/c/7003a2cbddd7917933c1f169c7874cfa6ab852c3"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/da4082e91acabc1498611ed8ccc53f0610baefc6",
          "url": "https://git.kernel.org/stable/c/da4082e91acabc1498611ed8ccc53f0610baefc6"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/ecf995b828191829ba4a87169bccabcbeb5c9c32",
          "url": "https://git.kernel.org/stable/c/ecf995b828191829ba4a87169bccabcbeb5c9c32"
        },
        {
          "category": "external",
          "summary": "https://git.kernel.org/stable/c/ef2ee5f820c3ef87643b51e960c20b4a14d8336b",
          "url": "https://git.kernel.org/stable/c/ef2ee5f820c3ef87643b51e960c20b4a14d8336b"
        }
      ],
      "release_date": "2026-08-10T13:20:00Z",
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        },
        {
          "category": "impact",
          "date": "2026-08-22T12:54:55.197038Z",
          "details": "CVE-2026-68194 does not affect debian10els. The vulnerability is a NULL-pointer dereference in the MediaTek mt7921 wireless driver's receive path on USB/SDIO buses, introduced to upstream Linux in v5.15. This kernel is based on Linux 4.19 and does not include the mt7921 driver, so the affected code was never present.",
          "product_ids": [
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            "Debian-10:libbpf4.19-0:4.19.325-1+tuxcare.els1.amd64",
            "Debian-10:libcpupower-dev-0:4.19.325-1+tuxcare.els1.amd64",
            "Debian-10:libcpupower1-0:4.19.325-1+tuxcare.els1.amd64",
            "Debian-10:linux-compiler-gcc-8-x86-0:4.19.325-1+tuxcare.els1.amd64",
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      ]
    }
  ]
}