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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-12-08T04:47:45

Updated: 2024-08-05T12:26:39.651Z

Reserved: 2021-12-08T00:00:00

Link: CVE-2018-25020

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-12-08T05:15:07.910

Modified: 2024-11-21T04:03:22.250

Link: CVE-2018-25020

cve-icon Redhat

Severity : Moderate

Publid Date: 2018-05-17T00:00:00Z

Links: CVE-2018-25020 - Bugzilla