Vulnerability-Lookup

GHSA-288X-M8HV-HV43

Vulnerability from github – Published: 2026-06-03 18:33 – Updated: 2026-06-05 09:33

Details

In the Linux kernel, the following vulnerability has been resolved:

wifi: ath12k: do WoW offloads only on primary link

In case of multi-link connection, WCN7850 firmware crashes due to WoW offloads enabled on both primary and secondary links.

Change to do it only on primary link to fix it.

Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00284-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1

Severity

7.8 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2026-46271"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-03T18:16:28Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: do WoW offloads only on primary link\n\nIn case of multi-link connection, WCN7850 firmware crashes due to WoW\noffloads enabled on both primary and secondary links.\n\nChange to do it only on primary link to fix it.\n\nTested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00284-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1",
  "id": "GHSA-288x-m8hv-hv43",
  "modified": "2026-06-05T09:33:46Z",
  "published": "2026-06-03T18:33:13Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46271"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7379837c3f9efa576dc2d716ebfaa3a113b3112f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e042da1085d9f1686c58a4378d5840f52a36598e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e62102ac9b773bdb08475aa9ca24dea61ae98708"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-46271 (GCVE-0-2026-46271)

Vulnerability from cvelistv5 – Published: 2026-06-03 15:50 – Updated: 2026-08-05 12:30

Title

wifi: ath12k: do WoW offloads only on primary link

Summary

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: do WoW offloads only on primary link In case of multi-link connection, WCN7850 firmware crashes due to WoW offloads enabled on both primary and secondary links. Change to do it only on primary link to fix it. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00284-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Assigner

Linux mitre root

References

3 references

URL	Tags
https://git.kernel.org/stable/c/7379837c3f9efa576…
https://git.kernel.org/stable/c/e042da1085d9f1686…
https://git.kernel.org/stable/c/e62102ac9b773bdb0…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 32f7b19668bd2894f1a236580c2132fc4b9f4449 , < 7379837c3f9efa576dc2d716ebfaa3a113b3112f (git) Affected: 32f7b19668bd2894f1a236580c2132fc4b9f4449 , < e042da1085d9f1686c58a4378d5840f52a36598e (git) Affected: 32f7b19668bd2894f1a236580c2132fc4b9f4449 , < e62102ac9b773bdb08475aa9ca24dea61ae98708 (git)
Linux	Linux	Affected: 6.16 Unaffected: 0 , < 6.16 (semver) Unaffected: 6.18.14 , ≤ 6.18.* (semver) Unaffected: 6.19.4 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix)

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JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/ath/ath12k/wow.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "7379837c3f9efa576dc2d716ebfaa3a113b3112f",
              "status": "affected",
              "version": "32f7b19668bd2894f1a236580c2132fc4b9f4449",
              "versionType": "git"
            },
            {
              "lessThan": "e042da1085d9f1686c58a4378d5840f52a36598e",
              "status": "affected",
              "version": "32f7b19668bd2894f1a236580c2132fc4b9f4449",
              "versionType": "git"
            },
            {
              "lessThan": "e62102ac9b773bdb08475aa9ca24dea61ae98708",
              "status": "affected",
              "version": "32f7b19668bd2894f1a236580c2132fc4b9f4449",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/ath/ath12k/wow.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.16"
            },
            {
              "lessThan": "6.16",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.14",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.14",
                  "versionStartIncluding": "6.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.4",
                  "versionStartIncluding": "6.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "6.16",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: do WoW offloads only on primary link\n\nIn case of multi-link connection, WCN7850 firmware crashes due to WoW\noffloads enabled on both primary and secondary links.\n\nChange to do it only on primary link to fix it.\n\nTested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00284-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The vulnerable code runs only in ath12k_wow_op_suspend during system suspend with WoW enabled, reached via wiphy PM \u2192 cfg80211 \u2192 mac80211 drv_suspend, not via remote WiFi frame handling.\nAC:L - On affected WCN7850 hardware, a local attacker (or rogue MLO AP plus victim suspend) can reliably trigger the path by associating over MLO and invoking suspend while wowlan is configured; no uncontrollable race or rare layout is required.\nPR:L - Exploitation requires local suspend capability (typical session/logind user) and an active WoW configuration (often pre-set by NetworkManager; otherwise NL80211_CMD_SET_WOWLAN needs CAP_NET_ADMIN, obtainable in a user network namespace).\nUI:N - Suspend/WoW entry is commonly driven by automatic system power management without a separate deliberate user security action beyond normal laptop use.\nS:U - Impact is confined to the WiFi driver/firmware stack on the same host; it does not cross VM, container, or IOMMU security boundaries.\nC:H - Although the immediate fault is firmware-side, the failure mode cannot rule out disclosure via corrupted firmware/host DMA or WMI shared buffers; per conservative scoring, treat closed firmware memory faults as potential arbitrary read when impact is uncertain.\nI:H - Duplicate WoW offload WMI on multiple MLO vdevs corrupts firmware state; when exploitation path to host integrity is uncertain, score High because firmware compromise over PCIe may enable control of host-visible rings and descriptors.\nA:H - The commit documents WCN7850 firmware crash when WoW offloads are enabled on both MLO links, causing WiFi subsystem failure and broken or wedged suspend/resume on affected devices."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T12:30:55.666Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/7379837c3f9efa576dc2d716ebfaa3a113b3112f"
        },
        {
          "url": "https://git.kernel.org/stable/c/e042da1085d9f1686c58a4378d5840f52a36598e"
        },
        {
          "url": "https://git.kernel.org/stable/c/e62102ac9b773bdb08475aa9ca24dea61ae98708"
        }
      ],
      "title": "wifi: ath12k: do WoW offloads only on primary link",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46271",
    "datePublished": "2026-06-03T15:50:13.645Z",
    "dateReserved": "2026-05-13T15:03:33.109Z",
    "dateUpdated": "2026-08-05T12:30:55.666Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

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