CVE-2026-80731

CVE-2026-80731 affects the Linux kernel network subsystem, specifically dev_validate_header(). The root cause is a TOCTOU (time-of-check-to-time-of-use) race : the skb headroom is allocated from an earlier read of dev->hard_header_len, but if the device is reconfigured to increase hard_header_...

EUVD-2026-70335

In the Linux kernel, the following vulnerability has been resolved: net: remove CAPSYSRAWIO zero-padding in devvalidateheader devvalidateheader reads dev-hardheaderlen directly when zero-padding short link layer headers for CAPSYSRAWIO holders: if capableCAPSYSRAWIO memsetllheader + len, 0,...

CVE-2026-80731 net: remove CAP_SYS_RAWIO zero-padding in dev_validate_header

In the Linux kernel, the following vulnerability has been resolved: net: remove CAPSYSRAWIO zero-padding in devvalidateheader devvalidateheader reads dev-hardheaderlen directly when zero-padding short link layer headers for CAPSYSRAWIO holders: if capableCAPSYSRAWIO memsetllheader + len, 0,...