Linux Kernel up to 4.1.3 Anonymous Page mm/memory.c input validation

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.
7.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 4.1.3. Impacted is an unknown function of the file mm/memory.c of the component Anonymous Page Handler. The manipulation results in input validation. This vulnerability is cataloged as CVE-2015-3288. The attack must be initiated from a local position. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 4.1.3 (Operating System). It has been classified as critical. Affected is some unknown functionality of the file mm/memory.c of the component Anonymous Page Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

mm/memory.c in the Linux kernel before 4.1.4 mishandles anonymous pages, which allows local users to gain privileges or cause a denial of service (page tainting) via a crafted application that triggers writing to page zero.

The weakness was shared 10/16/2016 with Intel (Website). The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2015-3288 since 04/10/2015. The exploitability is told to be easy. The attack needs to be approached locally. A authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 86972 (RHEL 7 : kernel (RHSA-2015:2152)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169128 (OpenSuSE Security Update for the Linux Kernel (openSUSE-SU-2016:2144-1)).

Upgrading to version 4.1.4 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 (86972) and SecurityFocus (BID 93591†). The entries VDB-77368 and VDB-94954 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 86972
Nessus Name: RHEL 7 : kernel (RHSA-2015:2152)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 855719
OpenVAS Name: SuSE Update for kernel openSUSE-SU-2016:2144-1 (kernel)
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 4.1.4
Patch: git.kernel.org

Timelineinfo

04/10/2015 🔍
07/06/2015 +87 days 🔍
11/19/2015 +136 days 🔍
11/20/2015 +1 days 🔍
10/16/2016 +331 days 🔍
10/16/2016 +0 days 🔍
10/17/2016 +1 days 🔍
09/26/2022 +2170 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: RHSA-2015:2152
Organization: Intel
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-3288 (🔍)
GCVE (CVE): GCVE-0-2015-3288
GCVE (VulDB): GCVE-100-92724
SecurityFocus: 93591 - Linux Kernel 'mm/memory.c' Local Code Execution Vulnerability

See also: 🔍

Entryinfo

Created: 10/17/2016 10:25
Updated: 09/26/2022 09:51
Changes: 10/17/2016 10:25 (67), 05/11/2019 00:33 (14), 09/26/2022 09:50 (5), 09/26/2022 09:51 (1)
Complete: 🔍
Cache ID: 216:3A4:103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!