CVE-2026-68309 (GCVE-0-2026-68309)
Vulnerability from cvelistv5
Published
2026-08-10 12:02
Modified
2026-08-19 16:33
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: connac: fix possible NULL-pointer deref in mt76_connac_mcu_uni_bss_he_tlv() mt76_connac_get_he_phy_cap routine can theoretically return NULL so check cap pointer before dereferencing it.
References
Impacted products
Vendor Product Version
Linux Linux Version: d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8
Version: d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8
Version: d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8
Version: d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8
Version: d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8
Version: d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8
Version: d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.12"
            },
            {
              "lessThan": "5.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.216",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.183",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.148",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.101",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.42",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.216",
                  "versionStartIncluding": "5.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                {
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              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: connac: fix possible NULL-pointer deref in mt76_connac_mcu_uni_bss_he_tlv()\n\nmt76_connac_get_he_phy_cap routine can theoretically return NULL so\ncheck cap pointer before dereferencing it."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-19T16:33:00.744Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/d1f8705d6545d20950991785306d08884b0056fc"
        },
        {
          "url": "https://git.kernel.org/stable/c/91eb15c026debd8b7bfbd83f062e6245a4e69964"
        },
        {
          "url": "https://git.kernel.org/stable/c/b09508dd7bc4a8948ea00603041a918c09788502"
        },
        {
          "url": "https://git.kernel.org/stable/c/2afc2d5098866518a5c446a2e647b1b3f43daaf4"
        },
        {
          "url": "https://git.kernel.org/stable/c/c058786b09cfab080125bc3ee7928a181dcbd37a"
        },
        {
          "url": "https://git.kernel.org/stable/c/8709c66e665a2a09192853d4f3d0fb4bd0f76403"
        },
        {
          "url": "https://git.kernel.org/stable/c/2c1fb2335f5e3afb34f91bc07ecb63517c328090"
        }
      ],
      "title": "wifi: mt76: connac: fix possible NULL-pointer deref in mt76_connac_mcu_uni_bss_he_tlv()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-68309",
    "datePublished": "2026-08-10T12:02:43.950Z",
    "dateReserved": "2026-07-30T09:28:09.381Z",
    "dateUpdated": "2026-08-19T16:33:00.744Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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