Is CVE-2018-18445 being actively exploited?

CVE-2018-18445 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2018-18445?

CVE-2018-18445 has a CVSS 3.1 base score of 7.8 (HIGH).

CVE-2018-18445

HIGH · CVSS 7.8EPSS 0.5%EU EUVD

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.

Key facts

CVSS score: 7.8 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-125
EPSS score: 0.5% (44th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2018-10173)
Published: October 17, 2018
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2018-10173 in the EU Vulnerability Database. Last updated in EUVD on August 5, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
linux / linux kernel
redhat / enterprise linux desktop
redhat / enterprise linux server
redhat / enterprise linux server
redhat / enterprise linux server aus
redhat / enterprise linux server eus
redhat / enterprise linux server tus
redhat / enterprise linux workstation

Certified products that may be affected

2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Red Hat Enterprise Linux 7 OpenSSH Server Cryptographic Module - Red Hat®, Inc. - FIPS 140 3891 - historical
Red Hat Enterprise Linux 7.6 - Red Hat, Inc. - Common Criteria CCEVS-VR-VID-11039-2020 - archived

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b799207e1e1816b09e7a5920fbb2d5fcf6edd681(Patch, Third Party Advisory)
https://access.redhat.com/errata/RHSA-2019:0512(Third Party Advisory)
https://access.redhat.com/errata/RHSA-2019:0514(Third Party Advisory)
https://bugs.chromium.org/p/project-zero/issues/detail?id=1686(Issue Tracking, Patch, Third Party Advisory)
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.75(Patch, Release Notes, Third Party Advisory)
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.13(Patch, Release Notes, Third Party Advisory)
https://github.com/torvalds/linux/commit/b799207e1e1816b09e7a5920fbb2d5fcf6edd681(Patch, Third Party Advisory)
https://support.f5.com/csp/article/K38456756(Third Party Advisory)
https://usn.ubuntu.com/3832-1/(Third Party Advisory)
https://usn.ubuntu.com/3835-1/(Third Party Advisory)
https://usn.ubuntu.com/3847-1/(Third Party Advisory)
https://usn.ubuntu.com/3847-2/(Third Party Advisory)
https://usn.ubuntu.com/3847-3/(Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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