Linux Kernel 4.5 in-flight fds resource management

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel 4.5. This affects an unknown function of the component in-flight fds. The manipulation leads to resource management. This vulnerability is traded as CVE-2016-2550. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Linux Kernel 4.5 (Operating System). It has been rated as critical. This issue affects an unknown functionality of the component in-flight fds. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is confidentiality, integrity, and availability.

The weakness was shared 02/22/2016 by Hannes Frederic Sowa as confirmed mailinglist post (oss-sec). The advisory is shared at seclists.org. The identification of this vulnerability is CVE-2016-2550 since 02/23/2016. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 90507 (Ubuntu 14.04 LTS : linux-lts-utopic regression (USN-2948-2)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196446 (Ubuntu Security Notification for Linux-lts-vivid Vulnerabilities (USN-2949-1)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (110990), Tenable (90507), SecurityFocus (BID 83355†) and Vulnerability Center (SBV-56725†). seclists.org is providing further details. The entries VDB-82952 and VDB-82962 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.0

VulDB Base Score: 9.8
VulDB Temp Score: 8.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 90507
Nessus Name: Ubuntu 14.04 LTS : linux-lts-utopic regression (USN-2948-2)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 80009
OpenVAS Name: Ubuntu Update for linux-lts-vivid USN-2949-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: git.kernel.org

Timelineinfo

02/22/2016 🔍
02/22/2016 +0 days 🔍
02/22/2016 +0 days 🔍
02/23/2016 +0 days 🔍
02/23/2016 +0 days 🔍
02/26/2016 +2 days 🔍
04/11/2016 +44 days 🔍
04/13/2016 +2 days 🔍
04/27/2016 +14 days 🔍
07/08/2022 +2263 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-2948-2
Researcher: Hannes Frederic Sowa
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-2550 (🔍)
GCVE (CVE): GCVE-0-2016-2550
GCVE (VulDB): GCVE-100-81089

OVAL: 🔍

X-Force: 110990 - Linux Kernel in-flight fds denial of service
SecurityFocus: 83355 - Linux Kernel 'unix/af_unix.c' Denial of Service Vulnerability
Vulnerability Center: 56725 - Linux Kernel before 4.4.1 Local DoS in Unix Domain Socket Related to in-flight fds, Medium

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 02/26/2016 09:45
Updated: 07/08/2022 14:31
Changes: 02/26/2016 09:45 (79), 08/23/2018 08:23 (14), 07/08/2022 14:30 (4), 07/08/2022 14:31 (1)
Complete: 🔍
Cache ID: 216:264:103

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