Vulnerability-Lookup

GHSA-3FCH-XPX6-PCR2

Vulnerability from github – Published: 2026-05-06 12:30 – Updated: 2026-05-06 12:30

Details

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

staging: rtl8723bs: fix null dereference in find_network

The variable pwlan has the possibility of being NULL when passed into rtw_free_network_nolock() which would later dereference the variable.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-43159"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-06T12:16:33Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8723bs: fix null dereference in find_network\n\nThe variable pwlan has the possibility of being NULL when passed into\nrtw_free_network_nolock() which would later dereference the variable.",
  "id": "GHSA-3fch-xpx6-pcr2",
  "modified": "2026-05-06T12:30:31Z",
  "published": "2026-05-06T12:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43159"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/04d24a3654ed195485bc6346a9ef326fc494a34e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1aa9c59f4b96a9056c02476c7ca89e96d15e0645"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3b1d0c9a1f78836d0bce6fdd37f596f22c19b03e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/41460a19654c32d39fd0e3a3671cd8d4b7b8479f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/48b4dec3a8bfd667cd0cd767eaf511176193e9a1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/677490a6bd4c63acdf6f48e4aaf6a23d7e6a446f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7fa16ffed2b9d9d44940990c1f31159770769aeb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cc3f83b6fb3773ad943365d1cd774b4ec050332e"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-43159 (GCVE-0-2026-43159)

Vulnerability from cvelistv5 – Published: 2026-05-06 11:27 – Updated: 2026-05-06 11:27

Title

staging: rtl8723bs: fix null dereference in find_network

Summary

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix null dereference in find_network The variable pwlan has the possibility of being NULL when passed into rtw_free_network_nolock() which would later dereference the variable.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/3b1d0c9a1f78836d0…
	https://git.kernel.org/stable/c/1aa9c59f4b96a9056…
	https://git.kernel.org/stable/c/48b4dec3a8bfd667c…
	https://git.kernel.org/stable/c/cc3f83b6fb3773ad9…
	https://git.kernel.org/stable/c/04d24a3654ed19548…
	https://git.kernel.org/stable/c/677490a6bd4c63acd…
	https://git.kernel.org/stable/c/7fa16ffed2b9d9d44…
	https://git.kernel.org/stable/c/41460a19654c32d39…

Impacted products

Vendor

Product

Version

Linux

Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 3b1d0c9a1f78836d0bce6fdd37f596f22c19b03e (git)
Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 1aa9c59f4b96a9056c02476c7ca89e96d15e0645 (git)
Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 48b4dec3a8bfd667cd0cd767eaf511176193e9a1 (git)
Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < cc3f83b6fb3773ad943365d1cd774b4ec050332e (git)
Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 04d24a3654ed195485bc6346a9ef326fc494a34e (git)
Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 677490a6bd4c63acdf6f48e4aaf6a23d7e6a446f (git)
Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 7fa16ffed2b9d9d44940990c1f31159770769aeb (git)
Affected: 554c0a3abf216c991c5ebddcdb2c08689ecd290b , < 41460a19654c32d39fd0e3a3671cd8d4b7b8479f (git)

Linux

Affected: 4.12
Unaffected: 0 , < 4.12 (semver)
Unaffected: 5.10.253 , ≤ 5.10.* (semver)
Unaffected: 5.15.202 , ≤ 5.15.* (semver)
Unaffected: 6.1.165 , ≤ 6.1.* (semver)
Unaffected: 6.6.128 , ≤ 6.6.* (semver)
Unaffected: 6.12.75 , ≤ 6.12.* (semver)
Unaffected: 6.18.16 , ≤ 6.18.* (semver)
Unaffected: 6.19.6 , ≤ 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/staging/rtl8723bs/core/rtw_mlme.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "3b1d0c9a1f78836d0bce6fdd37f596f22c19b03e",
              "status": "affected",
              "version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b",
              "versionType": "git"
            },
            {
              "lessThan": "1aa9c59f4b96a9056c02476c7ca89e96d15e0645",
              "status": "affected",
              "version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b",
              "versionType": "git"
            },
            {
              "lessThan": "48b4dec3a8bfd667cd0cd767eaf511176193e9a1",
              "status": "affected",
              "version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b",
              "versionType": "git"
            },
            {
              "lessThan": "cc3f83b6fb3773ad943365d1cd774b4ec050332e",
              "status": "affected",
              "version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b",
              "versionType": "git"
            },
            {
              "lessThan": "04d24a3654ed195485bc6346a9ef326fc494a34e",
              "status": "affected",
              "version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b",
              "versionType": "git"
            },
            {
              "lessThan": "677490a6bd4c63acdf6f48e4aaf6a23d7e6a446f",
              "status": "affected",
              "version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b",
              "versionType": "git"
            },
            {
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              "status": "affected",
              "version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b",
              "versionType": "git"
            },
            {
              "lessThan": "41460a19654c32d39fd0e3a3671cd8d4b7b8479f",
              "status": "affected",
              "version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/staging/rtl8723bs/core/rtw_mlme.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.12"
            },
            {
              "lessThan": "4.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.253",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.202",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.165",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.128",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.75",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.16",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.6",
              "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": "5.10.253",
                  "versionStartIncluding": "4.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.202",
                  "versionStartIncluding": "4.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.165",
                  "versionStartIncluding": "4.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.128",
                  "versionStartIncluding": "4.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.75",
                  "versionStartIncluding": "4.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.16",
                  "versionStartIncluding": "4.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.6",
                  "versionStartIncluding": "4.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "4.12",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8723bs: fix null dereference in find_network\n\nThe variable pwlan has the possibility of being NULL when passed into\nrtw_free_network_nolock() which would later dereference the variable."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-06T11:27:38.541Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/3b1d0c9a1f78836d0bce6fdd37f596f22c19b03e"
        },
        {
          "url": "https://git.kernel.org/stable/c/1aa9c59f4b96a9056c02476c7ca89e96d15e0645"
        },
        {
          "url": "https://git.kernel.org/stable/c/48b4dec3a8bfd667cd0cd767eaf511176193e9a1"
        },
        {
          "url": "https://git.kernel.org/stable/c/cc3f83b6fb3773ad943365d1cd774b4ec050332e"
        },
        {
          "url": "https://git.kernel.org/stable/c/04d24a3654ed195485bc6346a9ef326fc494a34e"
        },
        {
          "url": "https://git.kernel.org/stable/c/677490a6bd4c63acdf6f48e4aaf6a23d7e6a446f"
        },
        {
          "url": "https://git.kernel.org/stable/c/7fa16ffed2b9d9d44940990c1f31159770769aeb"
        },
        {
          "url": "https://git.kernel.org/stable/c/41460a19654c32d39fd0e3a3671cd8d4b7b8479f"
        }
      ],
      "title": "staging: rtl8723bs: fix null dereference in find_network",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-43159",
    "datePublished": "2026-05-06T11:27:38.541Z",
    "dateReserved": "2026-05-01T14:12:55.990Z",
    "dateUpdated": "2026-05-06T11:27:38.541Z",
    "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.

Action not permitted

GHSA-3FCH-XPX6-PCR2

CVE-2026-43159 (GCVE-0-2026-43159)

Tags

Sightings

Nomenclature