{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "43efa3c0f241e04862be8e6a68ff765d36cde1ba"
            },
            {
              "fixed": "22b0b8572a64362531dd0ed499b75e16282aeb2b"
            },
            {
              "fixed": "3cf92b44c4fb88a5e8de8733a4494c0956606bca"
            },
            {
              "fixed": "0907c06dccae9e3c8d5a68eb9014beec73a36e79"
            },
            {
              "fixed": "64228dfc4247aca178c01e5a37af7d8dcc7a6089"
            },
            {
              "fixed": "23d210877968657bd07e1a517e0b516db20a1d80"
            },
            {
              "fixed": "f03782f7f41f2afee5076a1ef08ced5649218771"
            },
            {
              "fixed": "f987efff29a5fe45320ea5991c9d5cb98b676953"
            },
            {
              "fixed": "df2187acfca6c6cca372c5d35f42394d9c270b09"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.11.0"
            },
            {
              "fixed": "5.10.261"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.212"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.178"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.145"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.97"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.40"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74340.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wcn36xx: fix OOB read from firmware count in PRINT_REG_INFO indication\n\nThe firmware-controlled rsp-\u003ecount field is used as the loop bound for\nindexing into the flexible rsp-\u003eregs[] array without validation against\nthe message length. A count exceeding the actual data causes out-of-\nbounds reads from the heap-allocated message buffer.\n\nAdd a check that count fits within the received message.",
  "id": "CVE-2026-74340",
  "modified": "2026-08-16T03:31:17.017482469Z",
  "published": "2026-08-15T05:58:30.558Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0907c06dccae9e3c8d5a68eb9014beec73a36e79"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/22b0b8572a64362531dd0ed499b75e16282aeb2b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/23d210877968657bd07e1a517e0b516db20a1d80"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3cf92b44c4fb88a5e8de8733a4494c0956606bca"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/64228dfc4247aca178c01e5a37af7d8dcc7a6089"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/df2187acfca6c6cca372c5d35f42394d9c270b09"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f03782f7f41f2afee5076a1ef08ced5649218771"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f987efff29a5fe45320ea5991c9d5cb98b676953"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74340.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74340"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "wifi: wcn36xx: fix OOB read from firmware count in PRINT_REG_INFO indication"
}