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bdu:2026-13817

BELL-CVE-2026-45971

Affected: Alpaquita:stream: linux-lts

EUVD-2026-321868

fkie_cve-2026-45971

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).

GHSA-2prw-x82w-7whc

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).

UBUNTU-CVE-2026-45971

Affected: Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux-aws-5.0, Ubuntu:18.04:LTS: linux-aws-5.3, Ubuntu:18.04:LTS: linux-azure, Ubuntu:18.04:LTS: linux-azure-5.3, Ubuntu:18.04:LTS: linux-azure-edge, Ubuntu:18.04:LTS: linux-gcp, Ubuntu:18.04:LTS: linux-gcp-5.3, Ubuntu:18.04:LTS: linux-gke-4.15, Ubuntu:18.04:LTS: linux-gke-5.4 and 85 more

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).

WID-SEC-W-2026-1700 — Linux Kernel: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen oder andere nicht näher spezifizierte Auswirkungen zu erzielen.