CVE-2026-53093

wifi: brcmfmac: Fix error pointer dereference

EPSS 0.2%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

24 Jun 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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]

Affected products

Linux · Linux

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References

https://git.kernel.org/stable/c/2e0e5a43ed126f896a4ad31ade66c90270601bae https://git.kernel.org/stable/c/334c68750eee84c2327db1d152be83ff5ad8e20b https://git.kernel.org/stable/c/99ef547659178eef6d6ba4738a9d989ce90cf909 https://git.kernel.org/stable/c/a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af https://git.kernel.org/stable/c/bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d https://git.kernel.org/stable/c/cbea71b4480394708f9a6e007a0385acfe5e1ec8 https://git.kernel.org/stable/c/d3f280be48f1c672cb10e8026c236d0cca60048a https://git.kernel.org/stable/c/dd8592fc6007a451c3e4b9025de365e39de8178a