Siemens SIMATIC Devices Improper Input Validation (CVE-2025-21826)

netfilter: nftables: reject mismatching sum of fieldlen with set key length. The field length description provides the length of each separated key field in the concatenation, each field gets rounded up to 32-bits to calculate the pipapo rule width from pipapoinit. The set key length provides the...

CVE-2025-21826

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: reject mismatching sum of fieldlen with set key length The field length description provides the length of each separated key field in the concatenation, each field gets rounded up to 32-bits to calculate the...

CVE-2025-21826

CVE-2025-21826 affects the Linux kernel nf_tables (netfilter). The issue is a mismatched sum between field_len and set key length in a pipapo-based key, allowing incorrect pipapo width calculation and potential impact on confidentiality, integrity, and availability (as per CVSS data: HIGH). Affec...