{
  "cveId": "CVE-2026-43213",
  "url": "https://patchblox.com/security/cve/CVE-2026-43213",
  "summary": "CVE-2026-43213 is fixed in 16 products on 1 platform, first by DEBIAN-CVE-2026-43213, released May 15, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "wifi: rtw89: pci: validate sequence number of TX release report",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  wifi: rtw89: pci: validate sequence number of TX release report  Hardware rarely reports abnormal sequence number in TX release report, which will access out-of-bounds of wd_ring-\u003Epages array, causing NULL pointer dereference.    BUG: kernel NULL pointer dereference, address: 0000000000000000   #PF: supervisor read access in kernel mode   #PF: error_code(0x0000) - not-present page   PGD 0 P4D 0   Oops: 0000 [#1] PREEMPT SMP NOPTI   CPU: 1 PID: 1085 Comm: irq/129-rtw89_p Tainted: G S   U              6.1.145-17510-g2f3369c91536 #1 (HASH:69e8 1)   Call Trace:    \u003CIRQ\u003E    rtw89_pci_release_tx\u002B0x18f/0x300 [rtw89_pci (HASH:4c83 2)]    rtw89_pci_napi_poll\u002B0xc2/0x190 [rtw89_pci (HASH:4c83 2)]    net_rx_action\u002B0xfc/0x460 net/core/dev.c:6578 net/core/dev.c:6645 net/core/dev.c:6759    handle_softirqs\u002B0xbe/0x290 kernel/softirq.c:601    ? rtw89_pci_interrupt_threadfn\u002B0xc5/0x350 [rtw89_pci (HASH:4c83 2)]    __local_bh_enable_ip\u002B0xeb/0x120 kernel/softirq.c:499 kernel/softirq.c:423    \u003C/IRQ\u003E    \u003CTASK\u003E    rtw89_pci_interrupt_threadfn\u002B0xf8/0x350 [rtw89_pci (HASH:4c83 2)]    ? irq_thread\u002B0xa7/0x340 kernel/irq/manage.c:0    irq_thread\u002B0x177/0x340 kernel/irq/manage.c:1205 kernel/irq/manage.c:1314    ? thaw_kernel_threads\u002B0xb0/0xb0 kernel/irq/manage.c:1202    ? irq_forced_thread_fn\u002B0x80/0x80 kernel/irq/manage.c:1220    kthread\u002B0xea/0x110 kernel/kthread.c:376    ? synchronize_irq\u002B0x1a0/0x1a0 kernel/irq/manage.c:1287    ? kthread_associate_blkcg\u002B0x80/0x80 kernel/kthread.c:331    ret_from_fork\u002B0x1f/0x30 arch/x86/entry/entry_64.S:295    \u003C/TASK\u003E  To prevent crash, validate rpp_info.seq before using.",
  "published": "2026-05-06T12:16:40Z",
  "severity": "Important",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00283,
  "epssPercentile": 0.20913,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-43213",
  "fixes": [
    {
      "platform": "linux",
      "product": "dtb-aarch64",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "OPENSUSE-SU-2026:21388-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21388-1",
      "released": "2026-07-21T08:27:32Z"
    },
    {
      "platform": "linux",
      "product": "kernel-64kb",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "OPENSUSE-SU-2026:21388-1",
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      "released": "2026-07-21T08:27:32Z"
    },
    {
      "platform": "linux",
      "product": "kernel-64kb",
      "release": "sles 15.7",
      "fixedVersion": "6.4.0-150700.53.81.1",
      "fix": "SUSE-SU-2026:4254-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4254-1",
      "released": "2026-10-07T22:31:36Z"
    },
    {
      "platform": "linux",
      "product": "kernel-64kb",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "SUSE-SU-2026:22835-1",
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      "released": "2026-07-21T08:27:34Z"
    },
    {
      "platform": "linux",
      "product": "kernel-azure",
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      "fix": "OPENSUSE-SU-2026:21388-1",
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      "released": "2026-07-21T08:27:32Z"
    },
    {
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      "fix": "SUSE-SU-2026:22835-1",
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    },
    {
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      "product": "kernel-default",
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      "fix": "OPENSUSE-SU-2026:21388-1",
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    {
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      "fix": "SUSE-SU-2026:4254-1",
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      "release": "opensuse-leap 16.0",
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      "product": "kernel-livepatch-SLE15-SP7-RT_Update_20",
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    {
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    {
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      "released": "2026-05-15T16:01:09Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T13:31:49Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}