BPF Kernel Heap Buffer Overflow DoS

The vulnerability of the arenaallocpages function in the kernel/bpf/arena.c module, which is part of the Linux kernel’s BPF interpreter support, relates to the comparison of numerical ranges without any minimum checks during request processing. Exploiting this vulnerability could allow an attacke...

CVE-2026-53031 bpf: Validate node_id in arena_alloc_pages()

In the Linux kernel, the following vulnerability has been resolved: bpf: Validate nodeid in arenaallocpages arenaallocpages accepts a plain int nodeid and forwards it through the entire allocation chain without any bounds checking. Validate nodeid before passing it down the allocation chain in...

CVE-2026-53031: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Validate nodeid in arenaallocpages arenaallocpages accepts a plain int nodeid and forwards it through the entire allocation chain without any bounds checking. Validate nodeid before passing it down the allocation chain in...