Is CVE-2018-18445 in the CISA KEV catalog?

No. CVE-2018-18445 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-18445?

CVE-2018-18445 has a CVSS v3 base score of 7.8 (HIGH).

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

CVE-2018-18445 has an EPSS score of 0.53% (41th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-18445?

Upgrade linux on debian 11 to 4.18.20-1 or later. Fixes are available for 17 affected products.

CVE & CISA-KEV Catalog

CVE-2018-18445

HIGH

7.8

CVSS v3

NVD

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.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

linuxDebian

Fixed in:4.18.20-1CVE-2018-18445

linuxUbuntu

Fixed in:4.15.0-43.46USN-3847-1

linux-awsUbuntu

Fixed in:4.15.0-1031.33USN-3847-1

linux-aws-hweUbuntu

Fixed in:4.15.0-1031.33~16.04.1USN-3847-2

linux-azureUbuntu

Fixed in:4.15.0-1036.38~14.04.2USN-3847-3

Fixed in:4.15.0-1036.38~16.04.1USN-3847-2

Fixed in:4.15.0-1036.38USN-3847-1

linux-gcpUbuntu

Fixed in:4.15.0-1026.27~16.04.1USN-3847-2

Fixed in:4.15.0-1026.27USN-3847-1

linux-hweUbuntu

Fixed in:4.15.0-43.46~16.04.1USN-3847-2

linux-image-4.15.0-1028-kvmUbuntu

Fixed in:4.15.0-1028.28USN-3847-1

linux-image-4.15.0-1030-raspi2Ubuntu

Fixed in:4.15.0-1030.32USN-3847-1

linux-image-4.15.0-1031-awsUbuntu

Fixed in:4.15.0-1031.33~16.04.1USN-3847-2

Fixed in:4.15.0-1031.33USN-3847-1

linux-image-4.15.0-43-genericUbuntu

Fixed in:4.15.0-43.46~16.04.1USN-3847-2

Fixed in:4.15.0-43.46USN-3847-1

linux-image-4.15.0-43-generic-lpaeUbuntu

Fixed in:4.15.0-43.46~16.04.1USN-3847-2

Fixed in:4.15.0-43.46USN-3847-1

linux-image-4.15.0-43-lowlatencyUbuntu

Fixed in:4.15.0-43.46~16.04.1USN-3847-2

Fixed in:4.15.0-43.46USN-3847-1

linux-image-4.15.0-43-snapdragonUbuntu

Fixed in:4.15.0-43.46USN-3847-1

linux-kvmUbuntu

Fixed in:4.15.0-1028.28USN-3847-1

linux-oemUbuntu

Fixed in:4.15.0-1030.35USN-3847-1

linux-raspi2Ubuntu

Fixed in:4.15.0-1030.32USN-3847-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.53%probability of exploitation in 30 days

41stpercentile

Moderate risk: more likely to be exploited than 41% of all known CVEs.

References

Patch5

Third-Party Advisory8

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.