VULNERABILITY INTELLIGENCE
CVE-2018-25020
CVSS score7.8 HIGH
EPSS probability0.53%
CISA KEVNot currently listed
Published2021-12-08
Last modified2026-06-17
Description
The BPF subsystem in the Linux kernel before 4.17 mishandles situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions, leading to an overflow. This affects kernel/bpf/core.c and net/core/filter.c.