GHSA-HXMX-3V2P-JPHH

Vulnerability from github – Published: 2026-08-10 15:33 – Updated: 2026-08-19 18:32
VLAI
Details

In the Linux kernel, the following vulnerability has been resolved:

wifi: ath11k: fix potential buffer underflow in ath11k_hal_rx_msdu_list_get()

When the first entry in msdu_details has a zero buffer address, the code accesses msdu_details[i - 1] with i == 0, causing a buffer underflow.

Fix similarly to ath12k_wifi7_hal_rx_msdu_list_get() by adding a separate check for i == 0 before the main condition to prevent the out-of-bounds access.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-68355"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-10T13:20:27Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath11k: fix potential buffer underflow in ath11k_hal_rx_msdu_list_get()\n\nWhen the first entry in msdu_details has a zero buffer address,\nthe code accesses msdu_details[i - 1] with i == 0, causing a\nbuffer underflow.\n\nFix similarly to ath12k_wifi7_hal_rx_msdu_list_get() by adding\na separate check for i == 0 before the main condition to prevent\nthe out-of-bounds access.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.",
  "id": "GHSA-hxmx-3v2p-jphh",
  "modified": "2026-08-19T18:32:16Z",
  "published": "2026-08-10T15:33:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-68355"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/085a5fde5bac29c01059e69399b417e91c0a6c18"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/20d18a5ec6ec364fcaf0d03af6fc43dcc42c6591"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/31ea4b175bc3ab430be15834d9ee8a1ce65bee15"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/69a6a4f60b2da92c0bdfd9264b8ffe053f51f52a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/725c1c3a8c5d920a7d3f5887412f2ad8e95a74f5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7f11e70629650ff6ea140984e5ce188b775b2683"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/904367381a922aa2dc3e8bd2488e6c9180516c7a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a154ca3c441a67d36b3a9ea63a4f11b06abe6223"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}



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