{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "6d7b97b23e114c8fbb825e6721164d228c1af3fc"
            },
            {
              "fixed": "ecb1c163166759dec004c1fdb9709b8a5992fc8e"
            },
            {
              "fixed": "9dd6aae4bc7bfa11088d928670a3315eae542769"
            },
            {
              "fixed": "744c19e266b0d2628c5951439195dcef27eadacf"
            },
            {
              "fixed": "83226c71af53fb9b3cad40cb9a9a79f36d68c020"
            },
            {
              "fixed": "d6869537013b1f21b292342752d97868b79b5934"
            },
            {
              "fixed": "e9f1081bc775146156def0dbc821b92f35d56afb"
            },
            {
              "fixed": "568173ad9bd0b46cc6cd937dea8791e9b5eefa57"
            },
            {
              "fixed": "d748603f12baff112caa3ab7d39f50100f010dbd"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.0.0"
            },
            {
              "fixed": "5.10.258"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.209"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.175"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.140"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.88"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.30"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46307.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath5k: do not access array OOB\n\nVincent reports:\n\u003e The ath5k driver seems to do an array-index-out-of-bounds access as\n\u003e shown by the UBSAN kernel message:\n\u003e UBSAN: array-index-out-of-bounds in drivers/net/wireless/ath/ath5k/base.c:1741:20\n\u003e index 4 is out of range for type 'ieee80211_tx_rate [4]'\n\u003e ...\n\u003e Call Trace:\n\u003e  \u003cTASK\u003e\n\u003e  dump_stack_lvl+0x5d/0x80\n\u003e  ubsan_epilogue+0x5/0x2b\n\u003e  __ubsan_handle_out_of_bounds.cold+0x46/0x4b\n\u003e  ath5k_tasklet_tx+0x4e0/0x560 [ath5k]\n\u003e  tasklet_action_common+0xb5/0x1c0\n\nIt is real. 'ts-\u003ets_final_idx' can be 3 on 5212, so:\n   info-\u003estatus.rates[ts-\u003ets_final_idx + 1].idx = -1;\nwith the array defined as:\n   struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES];\nwhile the size is:\n   #define IEEE80211_TX_MAX_RATES  4\nis indeed bogus.\n\nSet this 'idx = -1' sentinel only if the array index is less than the\narray size. As mac80211 will not look at rates beyond the size\n(IEEE80211_TX_MAX_RATES).\n\nNote: The effect of the OOB write is negligible. It just overwrites the\nnext member of info-\u003estatus, i.e. ack_signal.",
  "id": "CVE-2026-46307",
  "modified": "2026-07-10T03:54:20.456968707Z",
  "published": "2026-06-08T15:46:35.059Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/568173ad9bd0b46cc6cd937dea8791e9b5eefa57"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/744c19e266b0d2628c5951439195dcef27eadacf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/83226c71af53fb9b3cad40cb9a9a79f36d68c020"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9dd6aae4bc7bfa11088d928670a3315eae542769"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d6869537013b1f21b292342752d97868b79b5934"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d748603f12baff112caa3ab7d39f50100f010dbd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e9f1081bc775146156def0dbc821b92f35d56afb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ecb1c163166759dec004c1fdb9709b8a5992fc8e"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46307.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46307"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "wifi: ath5k: do not access array OOB"
}