CVE-2019-14898

kernel: incomplete fix for race condition between mmget_not_zero()/get_task_mm() and core dumping in CVE-2019-11599

Severity Score

7.0

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The fix for CVE-2019-11599, affecting the Linux kernel before 5.0.10 was not complete. A local user could use this flaw to obtain sensitive information, cause a denial of service, or possibly have other unspecified impacts by triggering a race condition with mmget_not_zero or get_task_mm calls.

La corrección para el CVE-2019-11599, que afectaba al kernel de Linux versiones anteriores a 5.0.10, no estaba completa. Un usuario local podría usar este fallo para conseguir infomación confidencial, causar una denegación de servicio o posiblemente tener otros impactos no especificados al desencadenar una condición de carrera on llamadas de mmget_not_zero o get_task_mm.

The fix for CVE-2019-11599 was not complete. A local user could use this flaw to obtain sensitive information, cause a denial of service, or possibly have other unspecified impacts by triggering a race condition with mmget_not_zero or get_task_mm calls.

*Credits: N/A

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-08-10 CVE Reserved
2020-02-04 CVE Published
2023-03-08 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-667: Improper Locking

CAPEC

References (9)

URL	Tag	Source
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14898	Issue Tracking
https://security.netapp.com/advisory/ntap-20200608-0001	X_refsource_confirm
https://www.oracle.com/security-alerts/cpuApr2021.html	X_refsource_misc

URL	Date	SRC
https://bugs.chromium.org/p/project-zero/issues/detail?id=1790	2024-08-05

URL	Date	SRC

URL	Date	SRC
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.114	2023-02-12
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.37	2023-02-12
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.10	2023-02-12
https://access.redhat.com/security/cve/CVE-2019-14898	2020-02-04
https://bugzilla.redhat.com/show_bug.cgi?id=1774671	2020-02-04

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				5.0.10 Search vendor "Linux" for product "Linux Kernel" and version "5.0.10"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Mrg Search vendor "Redhat" for product "Enterprise Mrg"				2.0 Search vendor "Redhat" for product "Enterprise Mrg" and version "2.0"		-		Affected