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

Vulnerability from cvelistv5 – Published: 2026-06-24 16:30 – Updated: 2026-06-24 16:30
VLAI
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
References
Impacted 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)
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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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{
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          "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]"
        }
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      "providerMetadata": {
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        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af"
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      "title": "wifi: brcmfmac: Fix error pointer dereference",
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    "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"
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      "date": "2026-07-02",
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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]\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"cb7cf7be9eba76f3cd6258906074c72084570c84\",\"lessThan\":\"a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"cb7cf7be9eba76f3cd6258906074c72084570c84\",\"lessThan\":\"99ef547659178eef6d6ba4738a9d989ce90cf909\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"cb7cf7be9eba76f3cd6258906074c72084570c84\",\"lessThan\":\"bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"cb7cf7be9eba76f3cd6258906074c72084570c84\",\"lessThan\":\"d3f280be48f1c672cb10e8026c236d0cca60048a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"cb7cf7be9eba76f3cd6258906074c72084570c84\",\"lessThan\":\"2e0e5a43ed126f896a4ad31ade66c90270601bae\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"cb7cf7be9eba76f3cd6258906074c72084570c84\",\"lessThan\":\"cbea71b4480394708f9a6e007a0385acfe5e1ec8\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"cb7cf7be9eba76f3cd6258906074c72084570c84\",\"lessThan\":\"334c68750eee84c2327db1d152be83ff5ad8e20b\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"cb7cf7be9eba76f3cd6258906074c72084570c84\",\"lessThan\":\"dd8592fc6007a451c3e4b9025de365e39de8178a\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"3.15\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"3.15\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.258\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.209\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.175\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.141\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.91\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.18.33\",\"lessThanOrEqual\":\"6.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.0.10\",\"lessThanOrEqual\":\"7.0.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.1\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2e0e5a43ed126f896a4ad31ade66c90270601bae\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/334c68750eee84c2327db1d152be83ff5ad8e20b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/99ef547659178eef6d6ba4738a9d989ce90cf909\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/cbea71b4480394708f9a6e007a0385acfe5e1ec8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d3f280be48f1c672cb10e8026c236d0cca60048a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/dd8592fc6007a451c3e4b9025de365e39de8178a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.