CVE-2026-53093

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]

Affected products

• Linux / Linuxcb7cf7be9eba76f3cd6258906074c72084570c84 – a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af
• Linux / Linuxcb7cf7be9eba76f3cd6258906074c72084570c84 – 99ef547659178eef6d6ba4738a9d989ce90cf909
• Linux / Linuxcb7cf7be9eba76f3cd6258906074c72084570c84 – bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d
• Linux / Linuxcb7cf7be9eba76f3cd6258906074c72084570c84 – d3f280be48f1c672cb10e8026c236d0cca60048a
• Linux / Linuxcb7cf7be9eba76f3cd6258906074c72084570c84 – 2e0e5a43ed126f896a4ad31ade66c90270601bae
• Linux / Linuxcb7cf7be9eba76f3cd6258906074c72084570c84 – cbea71b4480394708f9a6e007a0385acfe5e1ec8
• Linux / Linuxcb7cf7be9eba76f3cd6258906074c72084570c84 – 334c68750eee84c2327db1d152be83ff5ad8e20b
• Linux / Linuxcb7cf7be9eba76f3cd6258906074c72084570c84 – dd8592fc6007a451c3e4b9025de365e39de8178a
• Linux / Linux3.15 – 3.15
• Linux / Linux0 – 3.15
• Linux / Linux5.10.258 – 5.10.*
• Linux / Linux5.15.209 – 5.15.*
• Linux / Linux6.1.175 – 6.1.*
• Linux / Linux6.6.141 – 6.6.*
• Linux / Linux6.12.91 – 6.12.*
• Linux / Linux6.18.33 – 6.18.*
• Linux / Linux7.0.10 – 7.0.*
• Linux / Linux7.1 – *

References

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