Is CVE-2019-12817 in the CISA KEV catalog?

No. CVE-2019-12817 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-12817?

CVE-2019-12817 has a CVSS v3 base score of 7.0 (HIGH).

What is the EPSS score for CVE-2019-12817?

CVE-2019-12817 has an EPSS score of 0.39% (31th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-12817?

Upgrade linux on debian 11 to 5.2.6-1 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2019-12817

HIGH

7.0

CVSS v3

NVD

Description

arch/powerpc/mm/mmu_context_book3s64.c in the Linux kernel before 5.1.15 for powerpc has a bug where unrelated processes may be able to read/write to one another's virtual memory under certain conditions via an mmap above 512 TB. Only a subset of powerpc systems are affected.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

linuxDebian

Fixed in:5.2.6-1CVE-2019-12817

linux-hweUbuntu

Fixed in:4.18.0-24.25~18.04.1USN-4031-1

linux-image-4.18.0-24-genericUbuntu

Fixed in:4.18.0-24.25~18.04.1USN-4031-1

linux-image-generic-hwe-18.04Ubuntu

Fixed in:4.18.0.24.74USN-4031-1

linux-image-virtual-hwe-18.04Ubuntu

Fixed in:4.18.0.24.74USN-4031-1

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 ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.39%probability of exploitation in 30 days

31stpercentile

Low risk: more likely to be exploited than 31% of all known CVEs.

References

Patch1

git.kernel.org

Vendor Advisory1

cdn.kernel.org

Third-Party Advisory7

Other references4

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

Embed a live status badge for CVE-2019-12817

Markdown

[![CVE-2019-12817](https://tridentstack.com/cve/badge/CVE-2019-12817.svg)](https://tridentstack.com/cve/CVE-2019-12817)

HTML

<a href="https://tridentstack.com/cve/CVE-2019-12817"><img src="https://tridentstack.com/cve/badge/CVE-2019-12817.svg" alt="CVE-2019-12817"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.