CVE-2026-64354

In the Linux kernel, the following vulnerability has been resolved: bpf: Validate BTF repeated field counts before expansion btfparsestructmetas walks user-supplied BTF during BPFBTFLOAD, and btfrepeatfields expands repeatable fields from array elements into the fixed BTFFIELDSMAX scratch array...

CVE-2026-64354

The CVE-2026-64354 entry concerns the Linux kernel BPF component, specifically btf_repeat_fields() handling of user-supplied BTF data during BPF_BTF_LOAD. A malformed BTF can trigger an integer overflow when calculating the expanded field count, allowing a heap out-of-bounds write past the fixed ...