CVE-2026-45971 — bpf: Limit bpf program signature size
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_C…
Published: 2026-05-27 · CVSS: Unscored
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).
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7