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Back to active CVEs
Unknown severity ยท Source severity not reportedCVE-2026-53093

wifi: brcmfmac: Fix error pointer dereferenceCVE-2026-53093

Answer in brief

CVE-2026-53093 records a Unknown severity vulnerability in wifi: brcmfmac: Fix error pointer dereference. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jun 24, 2026Updated Nov 6, 2026Source checked Nov 6, 2026First seen by HOL Jun 24, 2026Material review Nov 6, 2026
Upstream Advisory

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Nov 6, 2026
References
8 linked sources
Open source record

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=cb7cf7be9eba76f3cd6258906074c72084570c84 <a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af || >=cb7cf7be9eba76f3cd6258906074c72084570c84 <99ef547659178eef6d6ba4738a9d989ce90cf909 || >=cb7cf7be9eba76f3cd6258906074c72084570c84 <bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d || >=cb7cf7be9eba76f3cd6258906074c72084570c84 <d3f280be48f1c672cb10e8026c236d0cca60048a || >=cb7cf7be9eba76f3cd6258906074c72084570c84 <2e0e5a43ed126f896a4ad31ade66c90270601bae || >=cb7cf7be9eba76f3cd6258906074c72084570c84 <cbea71b4480394708f9a6e007a0385acfe5e1ec8 || >=cb7cf7be9eba76f3cd6258906074c72084570c84 <334c68750eee84c2327db1d152be83ff5ad8e20b || >=cb7cf7be9eba76f3cd6258906074c72084570c84 <dd8592fc6007a451c3e4b9025de365e39de8178aa3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af, 99ef547659178eef6d6ba4738a9d989ce90cf909, bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d, d3f280be48f1c672cb10e8026c236d0cca60048a, 2e0e5a43ed126f896a4ad31ade66c90270601bae, cbea71b4480394708f9a6e007a0385acfe5e1ec8, 334c68750eee84c2327db1d152be83ff5ad8e20b, dd8592fc6007a451c3e4b9025de365e39de8178a
Linux/Linuxgeneric3.15Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Jun 24, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Jun 24, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source description

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]

Quoted source text, attributed separately from HOL analysis.