VDB-141253 · CVE-2019-15919 · GCVE-0-2019-15919

Linux Kernel up to 5.0.9 fs/cifs/smb2pdu.c SMB2_write use after free

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.0.9. It has been rated as critical. This affects the function SMB2_write of the file fs/cifs/smb2pdu.c. This manipulation causes use after free. This vulnerability appears as CVE-2019-15919. The attack requires local access. There is no available exploit. 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. Affected by this vulnerability is the function SMB2_write of the file fs/cifs/smb2pdu.c. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in the Linux kernel before 5.0.10. SMB2_write in fs/cifs/smb2pdu.c has a use-after-free.

The weakness was presented 09/04/2019 (Website). The advisory is shared at lists.opensuse.org. This vulnerability is known as CVE-2019-15919 since 09/04/2019. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

Upgrading to version 5.0.10 eliminates this vulnerability.

See VDB-140229, VDB-140284, VDB-140765 and VDB-140890 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

License

open-source

Website

Vendor: https://www.kernel.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.0.10
Patch: github.com

Timelineinfo

09/04/2019 🔍
09/04/2019 +0 days 🔍
09/05/2019 +1 days 🔍
12/13/2023 +1560 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 6a3eb3360667170988f8a6477f6686242061488a
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-15919 (🔍)
GCVE (CVE): GCVE-0-2019-15919
GCVE (VulDB): GCVE-100-141253
See also: 🔍

Entryinfo

Created: 09/05/2019 09:22
Updated: 12/13/2023 07:05
Changes: 09/05/2019 09:22 (60), 08/12/2020 15:56 (2), 12/13/2023 07:05 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.