Security Advisory

CVE-2026-45971

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-27 12:18:30
Last updated 2026-05-27 12:18:30
Assigner Linux
CVSS score not scored
State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Limit bpf program signature size Practical BPF signatures are significantly smaller than KMALLOC_MAX_CACHE_SIZE Allowing larger sizes opens the door for abuse by passing excessive size values and forcing the kernel into expensive allocation paths (via kmalloc_large or vmalloc).