CVE-2025-68380 (GCVE-0-2025-68380)

Vulnerability from cvelistv5 – Published: 2025-12-24 10:33 – Updated: 2026-05-11 21:52
VLAI
Title
wifi: ath11k: fix peer HE MCS assignment
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix peer HE MCS assignment In ath11k_wmi_send_peer_assoc_cmd(), peer's transmit MCS is sent to firmware as receive MCS while peer's receive MCS sent as transmit MCS, which goes against firmwire's definition. While connecting to a misbehaved AP that advertises 0xffff (meaning not supported) for 160 MHz transmit MCS map, firmware crashes due to 0xffff is assigned to he_mcs->rx_mcs_set field. Ext Tag: HE Capabilities [...] Supported HE-MCS and NSS Set [...] Rx and Tx MCS Maps 160 MHz [...] Tx HE-MCS Map 160 MHz: 0xffff Swap the assignment to fix this issue. As the HE rate control mask is meant to limit our own transmit MCS, it needs to go via he_mcs->rx_mcs_set field. With the aforementioned swapping done, change is needed as well to apply it to the peer's receive MCS. Tested-on: WCN6855 hw2.1 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.41 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1
Severity
No CVSS data available.
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 7033 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 61fe43e7216df6e9a912d831aafc7142fa20f280 , < 92791290e4f6a1de25d35af792ab8918a70737f6 (git)
Affected: 61fe43e7216df6e9a912d831aafc7142fa20f280 , < 4304bd7a334e981f189b9973056a58f84cc2b482 (git)
Affected: 61fe43e7216df6e9a912d831aafc7142fa20f280 , < 097c870b91817779e5a312c6539099a884b1fe2b (git)
Affected: 61fe43e7216df6e9a912d831aafc7142fa20f280 , < 381096a417b7019896e93e86f4c585c592bf98e2 (git)
Affected: 61fe43e7216df6e9a912d831aafc7142fa20f280 , < 6b1a0da75932353f66e710976ca85a7131f647ff (git)
Affected: 61fe43e7216df6e9a912d831aafc7142fa20f280 , < 4a013ca2d490c73c40588d62712ffaa432046a04 (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.16
Unaffected: 0 , < 5.16 (semver)
Unaffected: 6.1.160 , ≤ 6.1.* (semver)
Unaffected: 6.6.120 , ≤ 6.6.* (semver)
Unaffected: 6.12.63 , ≤ 6.12.* (semver)
Unaffected: 6.17.13 , ≤ 6.17.* (semver)
Unaffected: 6.18.2 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/ath/ath11k/mac.c",
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          "vendor": "Linux",
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      "cpeApplicability": [
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              "negate": false,
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath11k: fix peer HE MCS assignment\n\nIn ath11k_wmi_send_peer_assoc_cmd(), peer\u0027s transmit MCS is sent to\nfirmware as receive MCS while peer\u0027s receive MCS sent as transmit MCS,\nwhich goes against firmwire\u0027s definition.\n\nWhile connecting to a misbehaved AP that advertises 0xffff (meaning not\nsupported) for 160 MHz transmit MCS map, firmware crashes due to 0xffff\nis assigned to he_mcs-\u003erx_mcs_set field.\n\n\tExt Tag: HE Capabilities\n\t    [...]\n\t    Supported HE-MCS and NSS Set\n\t\t[...]\n\t        Rx and Tx MCS Maps 160 MHz\n\t\t    [...]\n\t            Tx HE-MCS Map 160 MHz: 0xffff\n\nSwap the assignment to fix this issue.\n\nAs the HE rate control mask is meant to limit our own transmit MCS, it\nneeds to go via he_mcs-\u003erx_mcs_set field. With the aforementioned swapping\ndone, change is needed as well to apply it to the peer\u0027s receive MCS.\n\nTested-on: WCN6855 hw2.1 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.41\nTested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T21:52:05.766Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/92791290e4f6a1de25d35af792ab8918a70737f6"
        },
        {
          "url": "https://git.kernel.org/stable/c/4304bd7a334e981f189b9973056a58f84cc2b482"
        },
        {
          "url": "https://git.kernel.org/stable/c/097c870b91817779e5a312c6539099a884b1fe2b"
        },
        {
          "url": "https://git.kernel.org/stable/c/381096a417b7019896e93e86f4c585c592bf98e2"
        },
        {
          "url": "https://git.kernel.org/stable/c/6b1a0da75932353f66e710976ca85a7131f647ff"
        },
        {
          "url": "https://git.kernel.org/stable/c/4a013ca2d490c73c40588d62712ffaa432046a04"
        }
      ],
      "title": "wifi: ath11k: fix peer HE MCS assignment",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-68380",
    "datePublished": "2025-12-24T10:33:08.266Z",
    "dateReserved": "2025-12-16T14:48:05.311Z",
    "dateUpdated": "2026-05-11T21:52:05.766Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-68380",
      "date": "2026-10-31",
      "epss": "0.00202",
      "percentile": "0.10144"
    },
    "microsoft_vex": {
      "current_release_date": "2026-01-08T14:41:22.000Z",
      "cve": "CVE-2025-68380",
      "id": "msrc_CVE-2025-68380",
      "initial_release_date": "2025-12-02T00:00:00.000Z",
      "product_status:known_not_affected": "2",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "wifi: ath11k: fix peer HE MCS assignment",
      "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-68380.json",
      "version": "4"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Linux",
                "programFiles": [
                  "drivers/net/wireless/ath/ath11k/mac.c",
                  "drivers/net/wireless/ath/ath11k/wmi.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
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                    "versionType": "git"
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                  {
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                    "status": "affected",
                    "version": "61fe43e7216df6e9a912d831aafc7142fa20f280",
                    "versionType": "git"
                  },
                  {
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                    "status": "affected",
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                    "versionType": "git"
                  },
                  {
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                    "versionType": "git"
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                ]
              },
              {
                "defaultStatus": "affected",
                "product": "Linux",
                "programFiles": [
                  "drivers/net/wireless/ath/ath11k/mac.c",
                  "drivers/net/wireless/ath/ath11k/wmi.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "status": "affected",
                    "version": "5.16"
                  },
                  {
                    "lessThan": "5.16",
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                    "version": "0",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.1.*",
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                    "version": "6.1.160",
                    "versionType": "semver"
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                  {
                    "lessThanOrEqual": "6.6.*",
                    "status": "unaffected",
                    "version": "6.6.120",
                    "versionType": "semver"
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                  {
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                    "version": "6.12.63",
                    "versionType": "semver"
                  },
                  {
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                    "version": "6.17.13",
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                    "version": "6.18.2",
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                  },
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            ],
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath11k: fix peer HE MCS assignment\n\nIn ath11k_wmi_send_peer_assoc_cmd(), peer\u0027s transmit MCS is sent to\nfirmware as receive MCS while peer\u0027s receive MCS sent as transmit MCS,\nwhich goes against firmwire\u0027s definition.\n\nWhile connecting to a misbehaved AP that advertises 0xffff (meaning not\nsupported) for 160 MHz transmit MCS map, firmware crashes due to 0xffff\nis assigned to he_mcs-\u003erx_mcs_set field.\n\n\tExt Tag: HE Capabilities\n\t    [...]\n\t    Supported HE-MCS and NSS Set\n\t\t[...]\n\t        Rx and Tx MCS Maps 160 MHz\n\t\t    [...]\n\t            Tx HE-MCS Map 160 MHz: 0xffff\n\nSwap the assignment to fix this issue.\n\nAs the HE rate control mask is meant to limit our own transmit MCS, it\nneeds to go via he_mcs-\u003erx_mcs_set field. With the aforementioned swapping\ndone, change is needed as well to apply it to the peer\u0027s receive MCS.\n\nTested-on: WCN6855 hw2.1 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.41\nTested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1"
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nwifi: ath11k: corregir la asignaci\u00f3n de HE MCS del par\n\nEn ath11k_wmi_send_peer_assoc_cmd(), el MCS de transmisi\u00f3n del par se env\u00eda al firmware como MCS de recepci\u00f3n, mientras que el MCS de recepci\u00f3n del par se env\u00eda como MCS de transmisi\u00f3n, lo cual va en contra de la definici\u00f3n del firmware.\n\nAl conectarse a un AP con comportamiento incorrecto que anuncia 0xffff (lo que significa no soportado) para el mapa de MCS de transmisi\u00f3n de 160 MHz, el firmware falla debido a que 0xffff se asigna al campo he_mcs -\u003e rx_mcs_set.\n\n\tEtiqueta Ext: Capacidades HE\n\t    [...]\n\t    Conjunto de HE-MCS y NSS soportados\n\t\t[...]\n\t        Mapas de MCS de Rx y Tx de 160 MHz\n\t\t    [...]\n\t            Mapa de HE-MCS de Tx de 160 MHz: 0xffff\n\nIntercambiar la asignaci\u00f3n para corregir este problema.\n\nComo la m\u00e1scara de control de velocidad HE est\u00e1 destinada a limitar nuestro propio MCS de transmisi\u00f3n, necesita pasar por el campo he_mcs -\u003e rx_mcs_set. Con el intercambio antes mencionado realizado, tambi\u00e9n se necesita un cambio para aplicarlo al MCS de recepci\u00f3n del par.\n\nProbado en: WCN6855 hw2.1 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.41\nProbado en: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1"
          }
        ],
        "id": "CVE-2025-68380",
        "lastModified": "2026-10-13T11:10:00.203",
        "metrics": {},
        "published": "2025-12-24T11:16:01.593",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/097c870b91817779e5a312c6539099a884b1fe2b"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/381096a417b7019896e93e86f4c585c592bf98e2"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/4304bd7a334e981f189b9973056a58f84cc2b482"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/4a013ca2d490c73c40588d62712ffaa432046a04"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/6b1a0da75932353f66e710976ca85a7131f647ff"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/92791290e4f6a1de25d35af792ab8918a70737f6"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Deferred"
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-30T01:53:09+00:00",
      "cve": "CVE-2025-68380",
      "id": "CVE-2025-68380",
      "initial_release_date": "2025-12-24T00:00:00+00:00",
      "product_status:known_affected": "232",
      "product_status:known_not_affected": "42",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: wifi: ath11k: fix peer HE MCS assignment",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-68380.json",
      "version": "3"
    }
  }
}



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