github - ghsa-4929-6x76-2xpw

ghsa-4929-6x76-2xpw

Vulnerability from github

Published

2025-09-15 15:31

Modified

2025-09-15 15:31

Details

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

wifi: mac80211_hwsim: Fix possible NULL dereference

In a call to mac80211_hwsim_select_tx_link() the sta pointer might be NULL, thus need to check that it is not NULL before accessing it.

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{
  "affected": [],
  "aliases": [
    "CVE-2023-53209"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-15T15:15:47Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211_hwsim: Fix possible NULL dereference\n\nIn a call to mac80211_hwsim_select_tx_link() the sta pointer might\nbe NULL, thus need to check that it is not NULL before accessing it.",
  "id": "GHSA-4929-6x76-2xpw",
  "modified": "2025-09-15T15:31:28Z",
  "published": "2025-09-15T15:31:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53209"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0cc80943ef518a1c51a1111e9346d1daf11dd545"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a8a20fed3e05b3a6866c5c58855deaf3c217ccd6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d0124848c7940aba73492e282506b32a13f2e30e"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2023-53209 (GCVE-0-2023-53209)

Vulnerability from cvelistv5

Published

2025-09-15 14:21

Modified

2025-09-15 14:21

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211_hwsim: Fix possible NULL dereference In a call to mac80211_hwsim_select_tx_link() the sta pointer might be NULL, thus need to check that it is not NULL before accessing it.

References

▼	URL	Tags
	https://git.kernel.org/stable/c/d0124848c7940aba73492e282506b32a13f2e30e
	https://git.kernel.org/stable/c/a8a20fed3e05b3a6866c5c58855deaf3c217ccd6
	https://git.kernel.org/stable/c/0cc80943ef518a1c51a1111e9346d1daf11dd545

Impacted products

Vendor

Product

Version

▼

Linux

Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Linux

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/virtual/mac80211_hwsim.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "d0124848c7940aba73492e282506b32a13f2e30e",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "a8a20fed3e05b3a6866c5c58855deaf3c217ccd6",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "0cc80943ef518a1c51a1111e9346d1daf11dd545",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/virtual/mac80211_hwsim.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.42",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.4.*",
              "status": "unaffected",
              "version": "6.4.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.5",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.42",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.4.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.5",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211_hwsim: Fix possible NULL dereference\n\nIn a call to mac80211_hwsim_select_tx_link() the sta pointer might\nbe NULL, thus need to check that it is not NULL before accessing it."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-15T14:21:37.415Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/d0124848c7940aba73492e282506b32a13f2e30e"
        },
        {
          "url": "https://git.kernel.org/stable/c/a8a20fed3e05b3a6866c5c58855deaf3c217ccd6"
        },
        {
          "url": "https://git.kernel.org/stable/c/0cc80943ef518a1c51a1111e9346d1daf11dd545"
        }
      ],
      "title": "wifi: mac80211_hwsim: Fix possible NULL dereference",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53209",
    "datePublished": "2025-09-15T14:21:37.415Z",
    "dateReserved": "2025-09-15T13:59:19.068Z",
    "dateUpdated": "2025-09-15T14:21:37.415Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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