Linux Kernel up to 5.0.9 Fix CVE-2019-11599 mmget_not_zero/get_task_mm locking

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Linux Kernel up to 5.0.9. Affected by this vulnerability is the function mmget_not_zero/get_task_mm of the component Fix CVE-2019-11599. Executing a manipulation can lead to locking. The identification of this vulnerability is CVE-2019-14898. The attack can only be executed locally. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.0.9 (Operating System). It has been declared as critical. This vulnerability affects the function mmget_not_zero/get_task_mm of the component Fix CVE-2019-11599. The manipulation with an unknown input leads to a locking vulnerability. The CWE definition for the vulnerability is CWE-667. The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was shared 05/08/2020 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability was named CVE-2019-14898 since 08/10/2019. The exploitation appears to be difficult. The attack needs to be approached locally. The successful exploitation requires a single authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 249884 (Linux Distros Unpatched Vulnerability : CVE-2019-14898), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.0.10 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (249884). The entry VDB-154926 is related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 4.5
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Locking
CWE: CWE-667
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 249884
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2019-14898

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.0.10

Timelineinfo

08/10/2019 🔍
05/08/2020 +272 days 🔍
05/09/2020 +1 days 🔍
08/18/2025 +1927 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: bugzilla.redhat.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-14898 (🔍)
GCVE (CVE): GCVE-0-2019-14898
GCVE (VulDB): GCVE-100-154924
See also: 🔍

Entryinfo

Created: 05/09/2020 13:17
Updated: 08/18/2025 04:36
Changes: 05/09/2020 13:17 (44), 05/09/2020 13:22 (12), 10/16/2020 09:06 (1), 10/16/2020 09:15 (1), 08/18/2025 04:36 (20)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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