PT-2026-51987 · Linux · Linux

Published 2026-06-24 · Updated 2026-06-24 · CVE-2026-53093

NVD

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]

Related Identifiers

CVE-2026-53093

Affected Products

Linux

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2026-53093 · Security Note
• https://git.kernel.org/stable/c/99ef547659178eef6d6ba4738a9d989ce90cf909 · Note
• https://git.kernel.org/stable/c/cbea71b4480394708f9a6e007a0385acfe5e1ec8 · Note
• https://git.kernel.org/stable/c/d3f280be48f1c672cb10e8026c236d0cca60048a · Note
• https://git.kernel.org/stable/c/bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d · Note
• https://git.kernel.org/stable/c/dd8592fc6007a451c3e4b9025de365e39de8178a · Note
• https://git.kernel.org/stable/c/334c68750eee84c2327db1d152be83ff5ad8e20b · Note
• https://git.kernel.org/stable/c/2e0e5a43ed126f896a4ad31ade66c90270601bae · Note
• https://git.kernel.org/stable/c/a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af · Note