{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "acc79d981c1462b22a7a2cb0d39725f8c01fc425"
            },
            {
              "fixed": "1c0a13be76db3c1cf774aa11d9f4c3f8239ac567"
            },
            {
              "fixed": "00738665c875ab34efa7126ea63c9d70b48ee169"
            },
            {
              "fixed": "6b471e9aefee9ed73278eb1141e0d8530a56fae9"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.7.0"
            },
            {
              "fixed": "6.12.111"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.53"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/97xxx/CVE-2026-97442.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath11k: fix invalid data access in ath11k_dp_rx_h_undecap_nwifi\n\nIn certain cases, hardware might provide packets with a\nlength greater than the maximum native Wi-Fi header length.\nThis can lead to accessing and modifying fields in the header\nwithin the ath11k_dp_rx_h_undecap_nwifi() function for the\nDP_RX_DECAP_TYPE_NATIVE_WIFI decap type and\npotentially result in invalid data access and memory corruption.\n\nKernel stack is corrupted in: ath11k_dp_rx_h_undecap+0x6b0/0x6b0 [ath11k]\nCall trace:\n ath11k_dp_rx_h_mpdu+0x0/0x2e8 [ath11k]\n ath11k_dp_rx_h_mpdu+0x1e0/0x2e8 [ath11k]\n ath11k_dp_rx_wbm_err+0x1e0/0x450 [ath11k]\n ath11k_dp_rx_process_wbm_err+0x2fc/0x460 [ath11k]\n ath11k_dp_service_srng+0x2e0/0x348 [ath11k]\n\nAdd a sanity check before processing the SKB to prevent invalid\ndata access in the undecap native Wi-Fi function for the\nDP_RX_DECAP_TYPE_NATIVE_WIFI decap type.\n\nThis adapted from the discussion/patch of the ath12k driver [1].\n\nTested-on: WCN6855 hw2.1 PCI WLAN.HSP.1.1-04685-QCAHSPSWPL_V1_V2_SILICONZ_IOE-1",
  "id": "CVE-2026-97442",
  "modified": "2026-09-27T03:30:57.776549720Z",
  "published": "2026-09-24T16:03:56.458Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/00738665c875ab34efa7126ea63c9d70b48ee169"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1c0a13be76db3c1cf774aa11d9f4c3f8239ac567"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6b471e9aefee9ed73278eb1141e0d8530a56fae9"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/97xxx/CVE-2026-97442.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-97442"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "wifi: ath11k: fix invalid data access in ath11k_dp_rx_h_undecap_nwifi"
}