CVE-2019-12817

CVSS V2 Medium 6.9 CVSS V3 High 7

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.

Overview

CVE ID
CVE-2019-12817

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2019-06-25T12:15:11

Last Modified Date
2022-04-18T17:17:12

Weakness Enumerations

CWE	URL
CWE-787	http://cwe.mitre.org/data/definitions/787.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version End
cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::	1	OR
cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*	1	OR
cpe:2.3:o:canonical:ubuntu_linux:19.04:::::::*	1	OR
cpe:2.3:o:linux:linux_kernel::::::::	1	OR	5.1.15
cpe:2.3:o:fedoraproject:fedora:29:::::::*	1	OR
cpe:2.3:o:fedoraproject:fedora:30:::::::*	1	OR
cpe:2.3:o:debian:debian_linux:9.0:::::::*	1	OR
cpe:2.3:o:debian:debian_linux:10.0:::::::*	1	OR
cpe:2.3:o:opensuse:leap:15.1:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_eus:8.1:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_eus:8.2:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_eus:8.4:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:::::::*	1	OR
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:L/AC:M/Au:N/C:C/I:C/A:C

Access Vector
LOCAL

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
6.9

Severity
MEDIUM

Exploitability Score
3.4

Impact Score
10

CVSS Version 3

Version
3.1

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

Attack Vector
LOCAL

Attack Compatibility
HIGH

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7

Base Severity
HIGH

Exploitability Score
1

Impact Score
5.9

References

Reference URL	Reference Tags
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.15	Vendor Advisory
https://usn.ubuntu.com/4031-1/	Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/06/24/5	Mailing List Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ca72d88378b2f2444d3ec145dd442d449d3fefbc	Patch Vendor Advisory
http://www.securityfocus.com/bid/108884	Broken Link
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WSKLL2374YGFQR6LSVCFGTTCRGBTLAWZ/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OTLN3KQYEEWWAJYA4BUYYDMWWXCJQNV2/	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html	Mailing List Third Party Advisory
https://www.debian.org/security/2019/dsa-4495	Third Party Advisory
https://seclists.org/bugtraq/2019/Aug/13	Mailing List Third Party Advisory
https://support.f5.com/csp/article/K12876166	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2703	Third Party Advisory
https://support.f5.com/csp/article/K12876166?utm_source=f5support&utm_medium=RSS	Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2019-12817
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12817

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 15:41:56				Added to TrackCVE
2022-12-03 22:26:35	2019-06-25T12:15Z	2019-06-25T12:15:11	CVE Published Date	updated
2022-12-03 22:26:35		2022-04-18T17:17:12	CVE Modified Date	updated
2022-12-03 22:26:35		Analyzed	Vulnerability Status	updated