Vulnerability-Lookup

GHSA-5HW3-X6VP-WC4H

Vulnerability from github – Published: 2026-06-24 18:32 – Updated: 2026-06-24 18:32

Details

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

wifi: brcmfmac: Fix error pointer dereference

The function brcmf_chip_add_core() can return an error pointer and is not checked. Add checks for error pointer.

Detected by Smatch: drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1010 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR()

drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1013 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR()

drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1016 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR()

drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1019 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR()

drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1022 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR()

[add missing wifi: prefix]

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{
  "affected": [],
  "aliases": [
    "CVE-2026-53093"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-24T17:17:23Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: Fix error pointer dereference\n\nThe function brcmf_chip_add_core() can return an error pointer and is\nnot checked. Add checks for error pointer.\n\nDetected by Smatch:\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1010 brcmf_chip_recognition() error:\n\u0027core\u0027 dereferencing possible ERR_PTR()\n\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1013 brcmf_chip_recognition() error:\n\u0027core\u0027 dereferencing possible ERR_PTR()\n\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1016 brcmf_chip_recognition() error:\n\u0027core\u0027 dereferencing possible ERR_PTR()\n\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1019 brcmf_chip_recognition() error:\n\u0027core\u0027 dereferencing possible ERR_PTR()\n\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1022 brcmf_chip_recognition() error:\n\u0027core\u0027 dereferencing possible ERR_PTR()\n\n[add missing wifi: prefix]",
  "id": "GHSA-5hw3-x6vp-wc4h",
  "modified": "2026-06-24T18:32:47Z",
  "published": "2026-06-24T18:32:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53093"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2e0e5a43ed126f896a4ad31ade66c90270601bae"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/334c68750eee84c2327db1d152be83ff5ad8e20b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/99ef547659178eef6d6ba4738a9d989ce90cf909"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cbea71b4480394708f9a6e007a0385acfe5e1ec8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d3f280be48f1c672cb10e8026c236d0cca60048a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dd8592fc6007a451c3e4b9025de365e39de8178a"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-53093 (GCVE-0-2026-53093)

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

Title

wifi: brcmfmac: Fix error pointer dereference

Summary

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: Fix error pointer dereference The function brcmf_chip_add_core() can return an error pointer and is not checked. Add checks for error pointer. Detected by Smatch: drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1010 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR() drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1013 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR() drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1016 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR() drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1019 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR() drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1022 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR() [add missing wifi: prefix]

Severity

No CVSS data available.

Assigner

Linux

References

8 references

URL	Tags
https://git.kernel.org/stable/c/a3b45090a91e2f0b9…
https://git.kernel.org/stable/c/99ef547659178eef6…
https://git.kernel.org/stable/c/bd6c906e0c4af6d5d…
https://git.kernel.org/stable/c/d3f280be48f1c672c…
https://git.kernel.org/stable/c/2e0e5a43ed126f896…
https://git.kernel.org/stable/c/cbea71b4480394708…
https://git.kernel.org/stable/c/334c68750eee84c23…
https://git.kernel.org/stable/c/dd8592fc6007a451c…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: cb7cf7be9eba76f3cd6258906074c72084570c84 , < a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af (git) Affected: cb7cf7be9eba76f3cd6258906074c72084570c84 , < 99ef547659178eef6d6ba4738a9d989ce90cf909 (git) Affected: cb7cf7be9eba76f3cd6258906074c72084570c84 , < bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d (git) Affected: cb7cf7be9eba76f3cd6258906074c72084570c84 , < d3f280be48f1c672cb10e8026c236d0cca60048a (git) Affected: cb7cf7be9eba76f3cd6258906074c72084570c84 , < 2e0e5a43ed126f896a4ad31ade66c90270601bae (git) Affected: cb7cf7be9eba76f3cd6258906074c72084570c84 , < cbea71b4480394708f9a6e007a0385acfe5e1ec8 (git) Affected: cb7cf7be9eba76f3cd6258906074c72084570c84 , < 334c68750eee84c2327db1d152be83ff5ad8e20b (git) Affected: cb7cf7be9eba76f3cd6258906074c72084570c84 , < dd8592fc6007a451c3e4b9025de365e39de8178a (git)
Linux	Linux	Affected: 3.15 Unaffected: 0 , < 3.15 (semver) Unaffected: 5.10.258 , ≤ 5.10.* (semver) Unaffected: 5.15.209 , ≤ 5.15.* (semver) Unaffected: 6.1.175 , ≤ 6.1.* (semver) Unaffected: 6.6.141 , ≤ 6.6.* (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/broadcom/brcm80211/brcmfmac/chip.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af",
              "status": "affected",
              "version": "cb7cf7be9eba76f3cd6258906074c72084570c84",
              "versionType": "git"
            },
            {
              "lessThan": "99ef547659178eef6d6ba4738a9d989ce90cf909",
              "status": "affected",
              "version": "cb7cf7be9eba76f3cd6258906074c72084570c84",
              "versionType": "git"
            },
            {
              "lessThan": "bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d",
              "status": "affected",
              "version": "cb7cf7be9eba76f3cd6258906074c72084570c84",
              "versionType": "git"
            },
            {
              "lessThan": "d3f280be48f1c672cb10e8026c236d0cca60048a",
              "status": "affected",
              "version": "cb7cf7be9eba76f3cd6258906074c72084570c84",
              "versionType": "git"
            },
            {
              "lessThan": "2e0e5a43ed126f896a4ad31ade66c90270601bae",
              "status": "affected",
              "version": "cb7cf7be9eba76f3cd6258906074c72084570c84",
              "versionType": "git"
            },
            {
              "lessThan": "cbea71b4480394708f9a6e007a0385acfe5e1ec8",
              "status": "affected",
              "version": "cb7cf7be9eba76f3cd6258906074c72084570c84",
              "versionType": "git"
            },
            {
              "lessThan": "334c68750eee84c2327db1d152be83ff5ad8e20b",
              "status": "affected",
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              "status": "affected",
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              "versionType": "git"
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          ]
        },
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          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.15"
            },
            {
              "lessThan": "3.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.258",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.209",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.175",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.141",
              "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": "5.10.258",
                  "versionStartIncluding": "3.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.209",
                  "versionStartIncluding": "3.15",
                  "vulnerable": true
                },
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                  "vulnerable": true
                },
                {
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                  "vulnerable": true
                },
                {
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                  "versionStartIncluding": "3.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.33",
                  "versionStartIncluding": "3.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "3.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1",
                  "versionStartIncluding": "3.15",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: Fix error pointer dereference\n\nThe function brcmf_chip_add_core() can return an error pointer and is\nnot checked. Add checks for error pointer.\n\nDetected by Smatch:\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1010 brcmf_chip_recognition() error:\n\u0027core\u0027 dereferencing possible ERR_PTR()\n\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1013 brcmf_chip_recognition() error:\n\u0027core\u0027 dereferencing possible ERR_PTR()\n\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1016 brcmf_chip_recognition() error:\n\u0027core\u0027 dereferencing possible ERR_PTR()\n\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1019 brcmf_chip_recognition() error:\n\u0027core\u0027 dereferencing possible ERR_PTR()\n\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1022 brcmf_chip_recognition() error:\n\u0027core\u0027 dereferencing possible ERR_PTR()\n\n[add missing wifi: prefix]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-24T16:30:32.053Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
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          "url": "https://git.kernel.org/stable/c/bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d"
        },
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          "url": "https://git.kernel.org/stable/c/d3f280be48f1c672cb10e8026c236d0cca60048a"
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          "url": "https://git.kernel.org/stable/c/334c68750eee84c2327db1d152be83ff5ad8e20b"
        },
        {
          "url": "https://git.kernel.org/stable/c/dd8592fc6007a451c3e4b9025de365e39de8178a"
        }
      ],
      "title": "wifi: brcmfmac: Fix error pointer dereference",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-53093",
    "datePublished": "2026-06-24T16:30:32.053Z",
    "dateReserved": "2026-06-09T07:44:35.384Z",
    "dateUpdated": "2026-06-24T16:30:32.053Z",
    "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-5HW3-X6VP-WC4H

CVE-2026-53093 (GCVE-0-2026-53093)

Tags

Sightings

Nomenclature