CVE-2018-18445

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CVSS 3.1

7.8 high

EPSS

<1%p43

Published

Oct 17, 2018 (Oct 17, 2018)

Modified

Jun 17, 2026

Description

In the Linux kernel 4.14.x, 4.15.x, 4.16.x, 4.17.x, and 4.18.x before 4.18.13, faulty computation of numeric bounds in the BPF verifier permits out-of-bounds memory accesses because adjust_scalar_min_max_vals in kernel/bpf/verifier.c mishandles 32-bit right shifts.

Vendors: linux canonical redhat
Products: linux kernel, ubuntu linux, enterprise linux desktop, enterprise linux server, enterprise linux server aus, enterprise linux server eus, enterprise linux server tus, enterprise linux workstation
Weakness: CWE-125
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.5%)

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