What is CVE-2019-12817?

CVE-2019-12817 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10, classified as a Out-of-bounds Write flaw (CWE-787). CVE-2019-12817 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

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

CVE-2019-12817 has a CVSS score of 7.0 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2019-12817?

No patch is currently available for CVE-2019-12817. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2019-12817 actively exploited?

CVE-2019-12817 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/787.html

CVE-2019-12817

High

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.

Package Linux Kernel

Published 2019-06-25

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.0

out of 10

High

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-787

CVE-2019-12817 is a Out-of-bounds Write vulnerability

What is Out-of-bounds Write?

The product writes data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2019-12817 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html

Mailing List Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2019/06/24/5

Mailing List Third Party Advisory
Securityfocus
http://www.securityfocus.com/bid/108884

Broken Link
Red Hat
https://access.redhat.com/errata/RHSA-2019:2703

Third Party Advisory
Kernel.org
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.15

Vendor Advisory
Lists
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OTLN3KQYEEWWAJYA4BUYYDMWWXCJQNV2/
Lists
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WSKLL2374YGFQR6LSVCFGTTCRGBTLAWZ/
Seclists
https://seclists.org/bugtraq/2019/Aug/13

Mailing List Third Party Advisory
Support
https://support.f5.com/csp/article/K12876166

Third Party Advisory
Support
https://support.f5.com/csp/article/K12876166?utm_source=f5support&amp%3Butm_medium=RSS
Ubuntu Security
https://usn.ubuntu.com/4031-1/

Third Party Advisory
Debian Security
https://www.debian.org/security/2019/dsa-4495

Third Party Advisory
Kernel patch commit
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ca72d88378b2f2444d3ec145dd442d449d3fefbc
Patch

Details

CVE ID CVE-2019-12817

Severity High

CVSS score 7.0 / 10

CVSS version 3.1

Published 2019-06-25

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2019-12817?

CVE-2019-12817 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10 , classified as an Out-of-bounds Write flaw (CWE-787) . CVE-2019-12817 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2019-12817?

CVE-2019-12817 has a CVSS score of 7.0 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2019-12817?

No patch is currently available for CVE-2019-12817. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2019-12817 actively exploited?

No — CVE-2019-12817 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. View CWE-787 on MITRE CWE →