{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/realtek/rtw89/pci.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "aefc30e4a829c1683f6ae999df7f9310c27eae6c",
              "status": "affected",
              "version": "16e3d93c6183649a3b210f82b83c1cb12aa5e8a3",
              "versionType": "git"
            },
            {
              "lessThan": "c1907b9a4fa9cb33d11a9af138374dd2e93f7a93",
              "status": "affected",
              "version": "16e3d93c6183649a3b210f82b83c1cb12aa5e8a3",
              "versionType": "git"
            },
            {
              "lessThan": "7068c379cf9aa8afe4dce4d9d82390187aa9c4d0",
              "status": "affected",
              "version": "16e3d93c6183649a3b210f82b83c1cb12aa5e8a3",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/realtek/rtw89/pci.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.17"
            },
            {
              "lessThan": "6.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.40",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.5",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw89: fix wrong pci_get_drvdata type in AER handlers\n\nrtw89 stores an ieee80211_hw pointer via pci_set_drvdata() at probe\ntime, but io_error_detected() and io_resume() retrieve it as a\nnet_device pointer.  This causes netif_device_detach/attach to\noperate on an ieee80211_hw struct, reading and writing at wrong\noffsets.  The adjacent io_slot_reset() already does it correctly.\n\nUse ieee80211_stop_queues/wake_queues instead, consistent with\nevery other queue stop/start path in the driver.\n\nTested on RTL8852CE by calling the handlers from a test module\nbefore and after the fix."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:A - The vulnerable rtw89 PCIe AER handlers run when the adapter reports non-fatal/fatal PCIe errors; on laptops with RTL8852CE/8852BE and similar in public wireless environments, an adjacent attacker can plausibly induce link faults via traffic stressing the radio-PCIe path.\nAC:L - Once AER recovery invokes rtw89_pci_io_error_detected/resume, the type confusion deterministically treats ieee80211_hw as net_device and corrupts memory through netif_device_detach/attach; no race or layout guesswork beyond triggering PCIe recovery is needed.\nPR:N - No local OS privileges or capabilities are required; an adjacent wireless attacker targeting a victim\u0027s rtw89 PCIe WiFi can enter the faulty AER recovery path without authenticating to or holding an account on the system.\nUI:N - No victim action beyond normal use of the affected rtw89 WiFi interface is required; PCIe AER recovery and the corruption run automatically in kernel interrupt/workqueue context.\nS:U - Type confusion corrupts kernel memory within the same kernel security authority; no VM, container, or IOMMU boundary is crossed.\nC:H - Casting ieee80211_hw to net_device makes netif_device_detach/attach read state, flags, and queue metadata at wrong offsets, constituting type confusion that can disclose adjacent kernel memory per kernel CVSS guidance.\nI:H - Atomic bit clears/sets and netif_tx_stop/wake queue operations run on ieee80211_hw memory misinterpreted as net_device fields, enabling out-of-bounds writes and exploitable memory corruption warranting High integrity impact.\nA:H - Misinterpreting ieee80211_hw as net_device leads netif_tx_stop_all_queues and netdev_watchdog_up to dereference garbage queue pointers, causing kernel oops/panic during AER recovery with High availability impact."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T05:46:57.094Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/aefc30e4a829c1683f6ae999df7f9310c27eae6c"
        },
        {
          "url": "https://git.kernel.org/stable/c/c1907b9a4fa9cb33d11a9af138374dd2e93f7a93"
        },
        {
          "url": "https://git.kernel.org/stable/c/7068c379cf9aa8afe4dce4d9d82390187aa9c4d0"
        }
      ],
      "title": "wifi: rtw89: fix wrong pci_get_drvdata type in AER handlers",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-74413",
    "datePublished": "2026-08-15T05:59:20.021Z",
    "dateReserved": "2026-08-15T05:44:03.893Z",
    "dateUpdated": "2026-08-17T05:46:57.094Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}