CVE-2026-80803

Summary

In the Linux kernel, the following vulnerability has been resolved:

nfc: digital: clamp SENSF_RES length to the destination buffer

digital_in_recv_sensf_res() memcpy()s resp->len bytes from a remote NFC-F device response into the NFC_SENSF_RES_MAXSIZE-byte target.sensf_res field without an upper-bound check. A nearby malicious NFC-F device can send an oversized SENSF_RES response to overflow the stack-local struct nfc_target.

Clamp resp->len to NFC_SENSF_RES_MAXSIZE before the copy.

Found by 0sec automated security-research tooling (https://0sec.ai).

Affected Software

VendorProductVersion RangeStatus
LinuxLinux8c0695e4998dd268ff2a05951961247b7e015651 < 6afb29751ee731e7f7a96feb8a15f91441e552baaffected
LinuxLinux8c0695e4998dd268ff2a05951961247b7e015651 < e886c63d2ca7108826076989103a1ffa8a0bb8f4affected
LinuxLinux8c0695e4998dd268ff2a05951961247b7e015651 < 4e942da2869bcd646353eef706b7dd82efeb9db5affected
LinuxLinux8c0695e4998dd268ff2a05951961247b7e015651 < d0756a98277e383c26fead988a96c91f0781cd7faffected
LinuxLinux8c0695e4998dd268ff2a05951961247b7e015651 < af4c0606f743e009254a8d252096855335ade85daffected
LinuxLinux8c0695e4998dd268ff2a05951961247b7e015651 < a56773e649ea99b344d6bbaf90f34c8e3fadef5daffected
LinuxLinux8c0695e4998dd268ff2a05951961247b7e015651 < a1ef9bddfbb3ae42b036c5aa16cf386d78db70b6affected
LinuxLinux8c0695e4998dd268ff2a05951961247b7e015651 < 31aa28ed732f66ab83c40ef53d99791be69b85c4affected
LinuxLinux8c0695e4998dd268ff2a05951961247b7e015651 < 344a56d7c8e0f3cbaff0bcb1bcd95a1a1db24b16affected
LinuxLinux3.13affected
LinuxLinux0 < 3.13unaffected
LinuxLinux5.10.267 <= 5.10.*unaffected
LinuxLinux5.15.218 <= 5.15.*unaffected
LinuxLinux6.1.185 <= 6.1.*unaffected
LinuxLinux6.6.154 <= 6.6.*unaffected
LinuxLinux6.12.106 <= 6.12.*unaffected
LinuxLinux6.18.47 <= 6.18.*unaffected
LinuxLinux7.1.11 <= 7.1.*unaffected
LinuxLinux7.2.1 <= 7.2.*unaffected
LinuxLinux7.3-rc1 <= *unaffected

Weaknesses

References