Linux Kernel 2.6.32.51 access control

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.
5.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel 2.6.32.51. Impacted is an unknown function. Performing a manipulation results in access control. This vulnerability is reported as CVE-2011-4112. No exploit exists.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.32.51 (Operating System). It has been classified as critical. This affects an unknown functionality. 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 availability. The summary by CVE is:

The net subsystem in the Linux kernel before 3.1 does not properly restrict use of the IFF_TX_SKB_SHARING flag, which allows local users to cause a denial of service (panic) by leveraging the CAP_NET_ADMIN capability to access /proc/net/pktgen/pgctrl, and then using the pktgen package in conjunction with a bridge device for a VLAN interface.

The issue has been introduced in 12/03/2009. The weakness was disclosed 05/17/2012 (Website). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2011-4112 since 10/18/2011. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 896 days. During that time the estimated underground price was around $5k-$25k.

Applying the patch 550fd08c2cebad61c548def135f67aba284c6162 is able to eliminate this problem.

The entries VDB-60751, VDB-60750, VDB-60749 and VDB-60748 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality 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: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.2
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: 550fd08c2cebad61c548def135f67aba284c6162

Timelineinfo

12/03/2009 🔍
10/18/2011 +684 days 🔍
05/17/2012 +212 days 🔍
05/17/2012 +0 days 🔍
03/23/2015 +1040 days 🔍
12/01/2021 +2445 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 550fd08c2cebad61c548def135f67aba284c6162
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-4112 (🔍)
GCVE (CVE): GCVE-0-2011-4112
GCVE (VulDB): GCVE-100-60747
See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/01/2021 21:57
Changes: 03/23/2015 16:50 (48), 04/14/2019 12:34 (2), 12/01/2021 21:44 (4), 12/01/2021 21:57 (11)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!