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.
5.7	$0-$5k	0.00

A vulnerability has been found in Linux Kernel up to 4.3.2 (Operating System) and classified as problematic. This vulnerability affects the function rds_sendmsg of the file net/rds/sendmsg.c of the component Socket Handler. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 12/28/2015 (Website). The advisory is shared for download at lkml.org. This vulnerability was named CVE-2015-7990 since 10/28/2015. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 87265 (Debian DLA-360-1 : linux-2.6 security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169069 (SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2016:2074-1)).

Upgrading to version 4.3.3 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (87265). The entries 75137, 77323, 78541 and 78716 are related to this item.

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.8
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.8
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: Race condition
CWE: CWE-362
ATT&CK: Unknown

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

Nessus ID: 87265
Nessus Name: Debian DLA-360-1 : linux-2.6 security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703396
OpenVAS Name: Debian Security Advisory DSA 3396-1 (linux - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 4.3.3
Patch: git.kernel.org

Timelineinfo

10/28/2015 🔍
10/28/2015 +0 days 🔍
12/08/2015 +41 days 🔍
12/09/2015 +1 days 🔍
12/28/2015 +19 days 🔍
12/28/2015 +0 days 🔍
12/29/2015 +1 days 🔍
07/01/2022 +2376 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-2886-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-7990 (🔍)
OVAL: 🔍

SecurityTracker: 1034453
SecurityFocus: 77340 - Linux Kernel CVE-2015-7990 Incomplete Fix Null Pointer Deference Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 12/29/2015 01:21 PM
Updated: 07/01/2022 03:17 PM
Changes: 12/29/2015 01:21 PM (68), 05/25/2018 10:12 AM (14), 07/01/2022 03:17 PM (6)
Complete: 🔍

Discussion

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