Vulnerability-Lookup

GHSA-99R5-V2C8-64WH

Vulnerability from github – Published: 2026-06-24 18:32 – Updated: 2026-07-23 21:30

Details

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

wifi: mt76: mt7925: prevent NULL vif dereference in mt7925_mac_write_txwi

Check for a NULL vif before accessing ieee80211_vif_is_mld(vif) to avoid a potential kernel panic in scenarios where vif might not be initialized.

Severity

5.5 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-53105"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-24T17:17:24Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7925: prevent NULL vif dereference in mt7925_mac_write_txwi\n\nCheck for a NULL `vif` before accessing `ieee80211_vif_is_mld(vif)` to\navoid a potential kernel panic in scenarios where `vif` might not be\ninitialized.",
  "id": "GHSA-99r5-v2c8-64wh",
  "modified": "2026-07-23T21:30:34Z",
  "published": "2026-06-24T18:32:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53105"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5d5bdea4ffcf54a6c4e751df713f95a1d783f298"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6c52fbdc6f656ac2e8ed1e3d0f42ed21ef285e15"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/815db7fd57aa81c93fc8a66c2fac5f8bd0a8d153"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/962eb04e67552be406c906c83099c1d736aae3b6"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-53105 (GCVE-0-2026-53105)

Vulnerability from cvelistv5 – Published: 2026-06-24 16:30 – Updated: 2026-06-24 16:30

Title

wifi: mt76: mt7925: prevent NULL vif dereference in mt7925_mac_write_txwi

Summary

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: prevent NULL vif dereference in mt7925_mac_write_txwi Check for a NULL `vif` before accessing `ieee80211_vif_is_mld(vif)` to avoid a potential kernel panic in scenarios where `vif` might not be initialized.

Severity

No CVSS data available.

Assigner

Linux mitre root

References

4 references

URL	Tags
https://git.kernel.org/stable/c/6c52fbdc6f656ac2e…
https://git.kernel.org/stable/c/815db7fd57aa81c93…
https://git.kernel.org/stable/c/5d5bdea4ffcf54a6c…
https://git.kernel.org/stable/c/962eb04e67552be40…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: ebb1406813c6ea60d2d95efc69ce6d53bbe43b31 , < 6c52fbdc6f656ac2e8ed1e3d0f42ed21ef285e15 (git) Affected: ebb1406813c6ea60d2d95efc69ce6d53bbe43b31 , < 815db7fd57aa81c93fc8a66c2fac5f8bd0a8d153 (git) Affected: ebb1406813c6ea60d2d95efc69ce6d53bbe43b31 , < 5d5bdea4ffcf54a6c4e751df713f95a1d783f298 (git) Affected: ebb1406813c6ea60d2d95efc69ce6d53bbe43b31 , < 962eb04e67552be406c906c83099c1d736aae3b6 (git)
Linux	Linux	Affected: 6.11 Unaffected: 0 , < 6.11 (semver) Unaffected: 6.12.91 , ≤ 6.12.* (semver) Unaffected: 6.18.33 , ≤ 6.18.* (semver) Unaffected: 7.0.10 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/mediatek/mt76/mt7925/mac.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "6c52fbdc6f656ac2e8ed1e3d0f42ed21ef285e15",
              "status": "affected",
              "version": "ebb1406813c6ea60d2d95efc69ce6d53bbe43b31",
              "versionType": "git"
            },
            {
              "lessThan": "815db7fd57aa81c93fc8a66c2fac5f8bd0a8d153",
              "status": "affected",
              "version": "ebb1406813c6ea60d2d95efc69ce6d53bbe43b31",
              "versionType": "git"
            },
            {
              "lessThan": "5d5bdea4ffcf54a6c4e751df713f95a1d783f298",
              "status": "affected",
              "version": "ebb1406813c6ea60d2d95efc69ce6d53bbe43b31",
              "versionType": "git"
            },
            {
              "lessThan": "962eb04e67552be406c906c83099c1d736aae3b6",
              "status": "affected",
              "version": "ebb1406813c6ea60d2d95efc69ce6d53bbe43b31",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/mediatek/mt76/mt7925/mac.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.11"
            },
            {
              "lessThan": "6.11",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.91",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.33",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.91",
                  "versionStartIncluding": "6.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.33",
                  "versionStartIncluding": "6.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "6.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1",
                  "versionStartIncluding": "6.11",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7925: prevent NULL vif dereference in mt7925_mac_write_txwi\n\nCheck for a NULL `vif` before accessing `ieee80211_vif_is_mld(vif)` to\navoid a potential kernel panic in scenarios where `vif` might not be\ninitialized."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-24T16:30:40.632Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/6c52fbdc6f656ac2e8ed1e3d0f42ed21ef285e15"
        },
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          "url": "https://git.kernel.org/stable/c/815db7fd57aa81c93fc8a66c2fac5f8bd0a8d153"
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        {
          "url": "https://git.kernel.org/stable/c/962eb04e67552be406c906c83099c1d736aae3b6"
        }
      ],
      "title": "wifi: mt76: mt7925: prevent NULL vif dereference in mt7925_mac_write_txwi",
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    }
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-53105",
    "datePublished": "2026-06-24T16:30:40.632Z",
    "dateReserved": "2026-06-09T07:44:35.385Z",
    "dateUpdated": "2026-06-24T16:30:40.632Z",
    "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.

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.
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GHSA-99R5-V2C8-64WH

CVE-2026-53105 (GCVE-0-2026-53105)

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