CVE-2026-90380

{
  "id": "CVE-2026-90380",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2026-09-17T17:17:37.297",
  "lastModified": "2026-10-19T09:19:31.980",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt792x: fix use-after-free in mt76_rx_poll_complete\n\nA use-after-free issue occurs in mt76_rx_poll_complete due to a race\ncondition. The STA has already been removed, but the rx_status still\nhad a pointer to the wcid in the STA.\n\nSet the links' wcid pointers to be NULL for a MLD in\nmt7925_sta_pre_rcu_remove()\n\nBUG: KASAN: invalid-access in mt76_rx_poll_complete+0x280/0x470\nCall trace:\ndump_backtrace+0xec/0x128\nshow_stack+0x18/0x28\ndump_stack_lvl+0x40/0xc8\nprint_report+0x1b8/0x710\nkasan_report+0xe0/0x144\ndo_bad_area+0x120/0x260\ndo_tag_check_fault+0x20/0x34\ndo_mem_abort+0x54/0xa8\nel1_abort+0x3c/0x5c\nel1h_64_sync_handler+0x40/0xcc\nel1h_64_sync+0x7c/0x80\nmt76_rx_poll_complete+0x280/0x470\nmt76_dma_rx_poll+0x114/0x51c\nmt792x_poll_rx+0x60/0xf8\nnapi_threaded_poll_loop+0xe0/0x450\nnapi_threaded_poll+0x80/0x9c\nkthread+0x11c/0x158\nret_from_fork+0x10/0x20"
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "drivers/net/wireless/mediatek/mt76/mt7925/main.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "c948b5da6bbec742b433138e3e3f9537a85af2e5",
              "lessThan": "aaf414bf81ab4b680580871784b0b929818188eb",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "c948b5da6bbec742b433138e3e3f9537a85af2e5",
              "lessThan": "2aa3d3b9fac9163e9226e35556607ae3f75be21e",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "c948b5da6bbec742b433138e3e3f9537a85af2e5",
              "lessThan": "b250943f3f8351385a17972bda001664a5c51008",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "c948b5da6bbec742b433138e3e3f9537a85af2e5",
              "lessThan": "217f9e7bb02558759be9d9ecfe532e9708741c50",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "drivers/net/wireless/mediatek/mt76/mt7925/main.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "6.7",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "6.7",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.12.110",
              "lessThanOrEqual": "6.12.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.18.57",
              "lessThanOrEqual": "6.18.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.2.6",
              "lessThanOrEqual": "7.2.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.3",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "attackVector": "ADJACENT_NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9
      }
    ]
  },
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/217f9e7bb02558759be9d9ecfe532e9708741c50",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/2aa3d3b9fac9163e9226e35556607ae3f75be21e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/aaf414bf81ab4b680580871784b0b929818188eb",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/b250943f3f8351385a17972bda001664a5c51008",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}