CVE-2022-49471 (GCVE-0-2022-49471)
Vulnerability from cvelistv5
Published
2025-02-26 02:13
Modified
2026-05-11 19:00
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: rtw89: cfo: check mac_id to avoid out-of-bounds Somehow, hardware reports incorrect mac_id and pollute memory. Check index before we access the array. UBSAN: array-index-out-of-bounds in rtw89/phy.c:2517:23 index 188 is out of range for type 's32 [64]' CPU: 1 PID: 51550 Comm: irq/35-rtw89_pc Tainted: G OE Call Trace: <IRQ> show_stack+0x52/0x58 dump_stack_lvl+0x4c/0x63 dump_stack+0x10/0x12 ubsan_epilogue+0x9/0x45 __ubsan_handle_out_of_bounds.cold+0x44/0x49 ? __alloc_skb+0x92/0x1d0 rtw89_phy_cfo_parse+0x44/0x7f [rtw89_core] rtw89_core_rx+0x261/0x871 [rtw89_core] ? __alloc_skb+0xee/0x1d0 rtw89_pci_napi_poll+0x3fa/0x4ea [rtw89_pci] __napi_poll+0x33/0x1a0 net_rx_action+0x126/0x260 ? __queue_work+0x217/0x4c0 __do_softirq+0xd9/0x315 ? disable_irq_nosync+0x10/0x10 do_softirq.part.0+0x6d/0x90 </IRQ> <TASK> __local_bh_enable_ip+0x62/0x70 rtw89_pci_interrupt_threadfn+0x182/0x1a6 [rtw89_pci] irq_thread_fn+0x28/0x60 irq_thread+0xc8/0x190 ? irq_thread_fn+0x60/0x60 kthread+0x16b/0x190 ? irq_thread_check_affinity+0xe0/0xe0 ? set_kthread_struct+0x50/0x50 ret_from_fork+0x22/0x30 </TASK>
References
Impacted products
Vendor Product Version
Linux Linux Version: e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd
Version: e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd
Version: e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd
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            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
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              "content": {
                "id": "CVE-2022-49471",
                "options": [
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                    "Exploitation": "none"
                  },
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                "role": "CISA Coordinator",
                "timestamp": "2025-10-01T19:39:49.476327Z",
                "version": "2.0.3"
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        "problemTypes": [
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            "descriptions": [
              {
                "cweId": "CWE-129",
                "description": "CWE-129 Improper Validation of Array Index",
                "lang": "en",
                "type": "CWE"
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        "providerMetadata": {
          "dateUpdated": "2025-10-01T19:46:46.352Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/realtek/rtw89/phy.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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        },
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          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/realtek/rtw89/phy.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.16"
            },
            {
              "lessThan": "5.16",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "5.17.14",
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              "version": "5.18.3",
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              "status": "unaffected",
              "version": "5.19",
              "versionType": "original_commit_for_fix"
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      ],
      "cpeApplicability": [
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          "nodes": [
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              "cpeMatch": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrtw89: cfo: check mac_id to avoid out-of-bounds\n\nSomehow, hardware reports incorrect mac_id and pollute memory. Check index\nbefore we access the array.\n\n  UBSAN: array-index-out-of-bounds in rtw89/phy.c:2517:23\n  index 188 is out of range for type \u0027s32 [64]\u0027\n  CPU: 1 PID: 51550 Comm: irq/35-rtw89_pc Tainted: G           OE\n  Call Trace:\n   \u003cIRQ\u003e\n   show_stack+0x52/0x58\n   dump_stack_lvl+0x4c/0x63\n   dump_stack+0x10/0x12\n   ubsan_epilogue+0x9/0x45\n   __ubsan_handle_out_of_bounds.cold+0x44/0x49\n   ? __alloc_skb+0x92/0x1d0\n   rtw89_phy_cfo_parse+0x44/0x7f [rtw89_core]\n   rtw89_core_rx+0x261/0x871 [rtw89_core]\n   ? __alloc_skb+0xee/0x1d0\n   rtw89_pci_napi_poll+0x3fa/0x4ea [rtw89_pci]\n   __napi_poll+0x33/0x1a0\n   net_rx_action+0x126/0x260\n   ? __queue_work+0x217/0x4c0\n   __do_softirq+0xd9/0x315\n   ? disable_irq_nosync+0x10/0x10\n   do_softirq.part.0+0x6d/0x90\n   \u003c/IRQ\u003e\n   \u003cTASK\u003e\n   __local_bh_enable_ip+0x62/0x70\n   rtw89_pci_interrupt_threadfn+0x182/0x1a6 [rtw89_pci]\n   irq_thread_fn+0x28/0x60\n   irq_thread+0xc8/0x190\n   ? irq_thread_fn+0x60/0x60\n   kthread+0x16b/0x190\n   ? irq_thread_check_affinity+0xe0/0xe0\n   ? set_kthread_struct+0x50/0x50\n   ret_from_fork+0x22/0x30\n   \u003c/TASK\u003e"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:00:31.813Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/03ed236480aeec8c2fd327a1ea6d711364c495e3"
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        {
          "url": "https://git.kernel.org/stable/c/c32fafe68298bb599e825c298e1d0ba30186f0a5"
        },
        {
          "url": "https://git.kernel.org/stable/c/97df85871a5b187609d30fca6d85b912d9e02f29"
        }
      ],
      "title": "rtw89: cfo: check mac_id to avoid out-of-bounds",
      "x_generator": {
        "engine": "bippy-1.2.0"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49471",
    "datePublished": "2025-02-26T02:13:14.657Z",
    "dateReserved": "2025-02-26T02:08:31.579Z",
    "dateUpdated": "2026-05-11T19:00:31.813Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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