{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-90381",
  "modified": "2026-10-07T14:35:31Z",
  "upstream": [
    "CVE-2026-90381"
  ],
  "published": "2026-09-17T16:10:40Z",
  "summary": "wifi: mt76: fix handling channel context with different bands in mt76_switch_vif_chanctx()",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: fix handling channel context with different bands in mt76_switch_vif_chanctx()\n\nWhen performing channel switches on different radios within a short\ntimeframe, channel contexts with different bands can be carried for\neach struct ieee80211_vif_chanctx_switch.\n\nRework mt76_switch_vif_chanctx() to properly handle this scenario.",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:13",
        "name": "linux"
      },
      "versions": [
        "1:6.18.29-1+rpt1",
        "1:6.18.33-1+rpt1",
        "1:6.18.34-1+rpt1",
        "1:6.18.39-1+rpt1",
        "1:6.18.50-1+rpt1"
      ],
      "ecosystem_specific": {
        "binaries": [
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            "binary_version": "1:6.18.29-1+rpt1"
          },
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            "binary_version": "1:6.18.29-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.18.29+rpt-rpi-v7",
            "binary_version": "1:6.18.29-1+rpt1"
          },
          {
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            "binary_version": "1:6.18.29-1+rpt1"
          },
          {
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            "binary_version": "1:6.18.29-1+rpt1"
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            "binary_name": "linux-image-6.18.33+rpt-rpi-2712",
            "binary_version": "1:6.18.33-1+rpt1"
          },
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            "binary_version": "1:6.18.33-1+rpt1"
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          {
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      "database_specific": {
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            "linux_commit": "66318c5b5cd8145a662303af12ed39ac07eb27cc",
            "upstream_version": "6.18.29",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": null
          },
          "1:6.18.33-1+rpt1": {
            "linux_commit": "95b85bebbedcaedfa7ca79116ed38b7376fba412",
            "upstream_version": "6.18.33",
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          "1:6.18.34-1+rpt1": {
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  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-90381"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/063169a2755abdcbe7698d98360336abb6bef414"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/70869cc429fffc77de51e7777c0ecb651e8fca07"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-09-18T17:55:42Z"
  }
}