{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "d5c65159f2895379e11ca13f62feabe93278985d"
            },
            {
              "fixed": "69a6a4f60b2da92c0bdfd9264b8ffe053f51f52a"
            },
            {
              "fixed": "904367381a922aa2dc3e8bd2488e6c9180516c7a"
            },
            {
              "fixed": "a154ca3c441a67d36b3a9ea63a4f11b06abe6223"
            },
            {
              "fixed": "725c1c3a8c5d920a7d3f5887412f2ad8e95a74f5"
            },
            {
              "fixed": "7f11e70629650ff6ea140984e5ce188b775b2683"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.6.0"
            },
            {
              "fixed": "6.6.148"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.101"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.42"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68355.json"
  },
  "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": "CVE-2026-68355",
  "modified": "2026-08-12T03:51:20.249137910Z",
  "published": "2026-08-10T12:03:32.321Z",
  "references": [
    {
      "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"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68355.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-68355"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "wifi: ath11k: fix potential buffer underflow in ath11k_hal_rx_msdu_list_get()"
}