Is CVE-2020-12659 in the CISA KEV catalog?

No. CVE-2020-12659 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-12659?

CVE-2020-12659 has a CVSS v3 base score of 6.7 (MEDIUM).

What is the EPSS score for CVE-2020-12659?

CVE-2020-12659 has an EPSS score of 0.71% (49th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-12659?

Upgrade linux on debian 11 to 5.6.7-1 or later. Fixes are available for 66 affected products.

CVE & CISA-KEV Catalog

CVE-2020-12659

MEDIUM

6.7

CVSS v3

NVD

Description

An issue was discovered in the Linux kernel before 5.6.7. xdp_umem_reg in net/xdp/xdp_umem.c has an out-of-bounds write (by a user with the CAP_NET_ADMIN capability) because of a lack of headroom validation.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

linuxDebian

Fixed in:5.6.7-1CVE-2020-12659

linuxUbuntu

Fixed in:5.4.0-37.41USN-4389-1

linux-awsUbuntu

Fixed in:5.4.0-1015.15USN-4389-1

linux-aws-5.3Ubuntu

Fixed in:5.3.0-1023.25~18.04.1USN-4387-1

linux-azureUbuntu

Fixed in:5.4.0-1016.16USN-4389-1

linux-azure-5.3Ubuntu

Fixed in:5.3.0-1028.29~18.04.1USN-4387-1

linux-gcpUbuntu

Fixed in:5.4.0-1015.15USN-4389-1

linux-gcp-5.3Ubuntu

Fixed in:5.3.0-1026.28~18.04.1USN-4387-1

linux-gke-5.0Ubuntu

Fixed in:5.0.0-1042.43USN-4388-1

linux-gke-5.3Ubuntu

Fixed in:5.3.0-1026.28~18.04.1USN-4387-1

linux-hweUbuntu

Fixed in:5.3.0-59.53~18.04.1USN-4387-1

linux-image-5.0.0-1042-gkeUbuntu

Fixed in:5.0.0-1042.43USN-4388-1

linux-image-5.0.0-1059-oem-osp1Ubuntu

Fixed in:5.0.0-1059.64USN-4388-1

linux-image-5.3.0-1023-awsUbuntu

Fixed in:5.3.0-1023.25~18.04.1USN-4387-1

linux-image-5.3.0-1024-oracleUbuntu

Fixed in:5.3.0-1024.26~18.04.1USN-4387-1

linux-image-5.3.0-1026-gcpUbuntu

Fixed in:5.3.0-1026.28~18.04.1USN-4387-1

linux-image-5.3.0-1026-gkeUbuntu

Fixed in:5.3.0-1026.28~18.04.1USN-4387-1

linux-image-5.3.0-1026-raspi2Ubuntu

Fixed in:5.3.0-1026.28~18.04.1USN-4387-1

linux-image-5.3.0-1028-azureUbuntu

Fixed in:5.3.0-1028.29~18.04.1USN-4387-1

linux-image-5.3.0-59-genericUbuntu

Fixed in:5.3.0-59.53~18.04.1USN-4387-1

linux-image-5.3.0-59-generic-lpaeUbuntu

Fixed in:5.3.0-59.53~18.04.1USN-4387-1

linux-image-5.3.0-59-lowlatencyUbuntu

Fixed in:5.3.0-59.53~18.04.1USN-4387-1

linux-image-5.4.0-1012-raspiUbuntu

Fixed in:5.4.0-1012.12USN-4389-1

linux-image-5.4.0-1015-awsUbuntu

Fixed in:5.4.0-1015.15USN-4389-1

linux-image-5.4.0-1015-gcpUbuntu

Fixed in:5.4.0-1015.15USN-4389-1

linux-image-5.4.0-1015-kvmUbuntu

Fixed in:5.4.0-1015.15USN-4389-1

linux-image-5.4.0-1015-oracleUbuntu

Fixed in:5.4.0-1015.15USN-4389-1

linux-image-5.4.0-1016-azureUbuntu

Fixed in:5.4.0-1016.16USN-4389-1

linux-image-5.4.0-27-genericUbuntu

Fixed in:5.4.0-27.31USN-4389-1

linux-image-5.4.0-37-genericUbuntu

Fixed in:5.4.0-37.41USN-4389-1

linux-image-5.4.0-37-generic-lpaeUbuntu

Fixed in:5.4.0-37.41USN-4389-1

linux-image-5.4.0-37-lowlatencyUbuntu

Fixed in:5.4.0-37.41USN-4389-1

linux-image-awsUbuntu

Fixed in:5.3.0.1023.23USN-4387-1

Fixed in:5.4.0.1015.16USN-4389-1

linux-image-azureUbuntu

Fixed in:5.3.0.1028.25USN-4387-1

Fixed in:5.4.0.1016.16USN-4389-1

linux-image-gcpUbuntu

Fixed in:5.3.0.1026.21USN-4387-1

Fixed in:5.4.0.1015.14USN-4389-1

linux-image-genericUbuntu

Fixed in:5.4.0.37.40USN-4389-1

linux-image-generic-hwe-18.04Ubuntu

Fixed in:5.3.0.59.113USN-4387-1

linux-image-generic-hwe-20.04Ubuntu

Fixed in:5.4.0.37.40USN-4389-1

linux-image-generic-lpaeUbuntu

Fixed in:5.4.0.37.40USN-4389-1

linux-image-generic-lpae-hwe-18.04Ubuntu

Fixed in:5.3.0.59.113USN-4387-1

linux-image-generic-lpae-hwe-20.04Ubuntu

Fixed in:5.4.0.37.40USN-4389-1

linux-image-gkeUbuntu

Fixed in:5.4.0.1015.14USN-4389-1

linux-image-gke-5.0Ubuntu

Fixed in:5.0.0.1042.27USN-4388-1

linux-image-gke-5.3Ubuntu

Fixed in:5.3.0.1026.13USN-4387-1

linux-image-gkeop-5.3Ubuntu

Fixed in:5.3.0.59.113USN-4387-1

linux-image-kvmUbuntu

Fixed in:5.4.0.1015.14USN-4389-1

linux-image-lowlatencyUbuntu

Fixed in:5.4.0.37.40USN-4389-1

linux-image-lowlatency-hwe-18.04Ubuntu

Fixed in:5.3.0.59.113USN-4387-1

linux-image-lowlatency-hwe-20.04Ubuntu

Fixed in:5.4.0.37.40USN-4389-1

linux-image-oemUbuntu

Fixed in:5.4.0.37.40USN-4389-1

linux-image-oem-osp1Ubuntu

Fixed in:5.0.0.1059.58USN-4388-1

Fixed in:5.4.0.37.40USN-4389-1

linux-image-oracleUbuntu

Fixed in:5.3.0.1024.22USN-4387-1

Fixed in:5.4.0.1015.14USN-4389-1

linux-image-raspiUbuntu

Fixed in:5.4.0.1012.12USN-4389-1

linux-image-raspi2Ubuntu

Fixed in:5.4.0.1012.12USN-4389-1

linux-image-raspi2-hwe-18.04Ubuntu

Fixed in:5.3.0.1027.16USN-4387-1

linux-image-snapdragon-hwe-18.04Ubuntu

Fixed in:5.3.0.59.113USN-4387-1

linux-image-virtualUbuntu

Fixed in:5.4.0.27.34USN-4389-1

linux-image-virtual-hwe-18.04Ubuntu

Fixed in:5.3.0.59.113USN-4387-1

linux-image-virtual-hwe-20.04Ubuntu

Fixed in:5.4.0.27.34USN-4389-1

linux-kvmUbuntu

Fixed in:5.4.0-1015.15USN-4389-1

linux-oem-osp1Ubuntu

Fixed in:5.0.0-1059.64USN-4388-1

linux-oracleUbuntu

Fixed in:5.4.0-1015.15USN-4389-1

linux-oracle-5.3Ubuntu

Fixed in:5.3.0-1024.26~18.04.1USN-4387-1

linux-raspiUbuntu

Fixed in:5.4.0-1012.12USN-4389-1

linux-raspi2-5.3Ubuntu

Fixed in:5.3.0-1027.29~18.04.1USN-4387-1

linux-riscvUbuntu

Fixed in:5.4.0-27.31USN-4389-1

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 RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.71%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Patch2

Exploit1

bugzilla.kernel.org

Vendor Advisory1

cdn.kernel.org

Third-Party Advisory5

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	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.