Linux Kernel up to 4.5.2 InfiniBand Stack access control

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Linux Kernel up to 4.5.2. This affects an unknown part of the component InfiniBand Stack. The manipulation results in access control. This vulnerability is identified as CVE-2016-4565. The attack is only possible with local access. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Linux Kernel up to 4.5.2 (Operating System). Affected is an unknown functionality of the component InfiniBand Stack. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The InfiniBand (aka IB) stack in the Linux kernel before 4.5.3 incorrectly relies on the write system call, which allows local users to cause a denial of service (kernel memory write operation) or possibly have unspecified other impact via a uAPI interface.

The weakness was released 05/23/2016 by Jann Horn (Website). The advisory is available at github.com. This vulnerability is traded as CVE-2016-4565 since 05/07/2016. The exploitability is told to be easy. Local access is required to approach this attack. The successful exploitation needs a authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 91241 (Amazon Linux AMI : kernel (ALAS-2016-703)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157314 (Oracle Enterprise Linux Security Update for kernel (ELSA-2016-2574)-Deprecated).

Upgrading to version 4.5.3 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 databases at Tenable (91241) and SecurityFocus (BID 90301†). Entries connected to this vulnerability are available at VDB-82951, VDB-82953, VDB-82963 and VDB-82965. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
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: 91241
Nessus Name: Amazon Linux AMI : kernel (ALAS-2016-703)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 100933
OpenVAS Name: RedHat Update for kernel RHSA-2016:1406-01
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 4.5.3
Patch: git.kernel.org

Timelineinfo

04/11/2016 🔍
05/07/2016 +26 days 🔍
05/18/2016 +11 days 🔍
05/19/2016 +1 days 🔍
05/23/2016 +4 days 🔍
05/23/2016 +0 days 🔍
05/24/2016 +1 days 🔍
08/22/2022 +2281 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: RHSA-2016:1277
Researcher: Jann Horn
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4565 (🔍)
GCVE (CVE): GCVE-0-2016-4565
GCVE (VulDB): GCVE-100-87606

OVAL: 🔍

SecurityFocus: 90301 - Linux Kernel CVE-2016-4565 Local Security Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 05/24/2016 11:55
Updated: 08/22/2022 08:54
Changes: 05/24/2016 11:55 (68), 12/12/2018 10:12 (14), 08/22/2022 08:54 (4)
Complete: 🔍
Cache ID: 216:567:103

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