CVE-2018-25020

HighCVSS 7.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-120

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.htmlThird Party Advisory, VDB Entry
https://github.com/torvalds/linux/commit/050fad7c4534c13c8eb1d9c2ba66012e014773cbPatch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20211229-0005/Third Party Advisory
http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.htmlThird Party Advisory, VDB Entry
https://github.com/torvalds/linux/commit/050fad7c4534c13c8eb1d9c2ba66012e014773cbPatch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20211229-0005/Third Party Advisory

Timeline

Published: Dec 8, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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