libbpf: Reject non-exclusive metadata maps in the signed loader
In the Linux kernel, the following vulnerability has been resolved: libbpf: Reject non-exclusive metadata maps in the signed loader The loader verifies map->sha against the metadata hash in its instructions. map->sha is calculated when BPF_OBJ_GET_INFO_BY_FD is called on the frozen map. While the map is frozen, the …
Severity high: primary CNA CVSS 7.1 v3.1 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2026-08-28T06:49:14.148Z. Updated 2026-08-29T06:22:02.823Z.