CVE-2026-64120

A flaw was found in the Linux kernel's ethtool network utility. Insufficient error handling in the phypreparedata function, specifically for memory allocation failures when handling network device names, can lead to a NULL pointer dereference. This vulnerability can cause a kernel panic in...

CVE-2026-64120

The CVE-2026-64120 issue affects the Linux kernel’s ethtool/phy_prepare_data path. It arises from unverified allocations via kstrdup() for strings like name, drvname, upstream_sfp_name, and downstream_sfp_name, which can yield NULL and cause a NULL pointer dereference in phy_reply_size() and a ke...