Linux Kernel up to 2.6.15 locks.c time_out_leases resource management

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.
5.6$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Linux Kernel up to 2.6.15. This issue affects the function time_out_leases of the file locks.c. Executing a manipulation can lead to resource management. This vulnerability is registered as CVE-2005-3857. Furthermore, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 2.6.15 (Operating System) and classified as problematic. This vulnerability affects the function time_out_leases of the file locks.c. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:

The time_out_leases function in locks.c for Linux kernel before 2.6.15-rc3 allows local users to cause a denial of service (kernel log message consumption) by causing a large number of broken leases, which is recorded to the log using the printk function.

The bug was discovered 11/29/2005. The weakness was published 11/27/2005 as Bug 174337 as not defined bug report (Bugzilla). The advisory is available at bugzilla.redhat.com. This vulnerability was named CVE-2005-3857. The exploitation appears to be easy. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

A public exploit has been developed in ANSI C. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 21977 (CentOS 4 : kernel (CESA-2006:0101)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117771 (CentOS Security Update for Kernel (CESA-2006:0140)).

Upgrading to version 2.6.15-rc3 eliminates this vulnerability. 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 (23303), Exploit-DB (26648), Tenable (21977), SecurityFocus (BID 15627†) and OSVDB (21285†). Similar entries are available at VDB-1712, VDB-1833, VDB-1879 and VDB-1942. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.6

VulDB Base Score: 6.2
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 21977
Nessus Name: CentOS 4 : kernel (CESA-2006:0101)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 56469
OpenVAS Name: Debian Security Advisory DSA 1017-1 (kernel-source-2.6.8)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Kernel 2.6.15-rc3

Timelineinfo

11/27/2005 🔍
11/27/2005 +0 days 🔍
11/27/2005 +0 days 🔍
11/27/2005 +0 days 🔍
11/29/2005 +2 days 🔍
11/29/2005 +0 days 🔍
11/29/2005 +0 days 🔍
01/17/2006 +49 days 🔍
02/23/2006 +37 days 🔍
07/05/2006 +132 days 🔍
03/11/2015 +3171 days 🔍
12/21/2024 +3573 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: Bug 174337
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-3857 (🔍)
GCVE (CVE): GCVE-0-2005-3857
GCVE (VulDB): GCVE-100-27130

OVAL: 🔍

X-Force: 23303
SecurityFocus: 15627 - Linux Kernel Time_Out_Leases PrintK Local Denial of Service Vulnerability
Secunia: 17786 - Linux Kernel Multiple Denial of Service Vulnerabilities, Not Critical
OSVDB: 21285 - CVE-2005-3857 - Linux - Kernel - Denial-Of-Service Issue
Vulnerability Center: 10454 - Linux Kernel before 2.6.15-rc3 Local DoS via a Large Number of Broken Leases, Medium
Vupen: ADV-2005-2649

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/11/2015 23:39
Updated: 12/21/2024 23:19
Changes: 03/11/2015 23:39 (84), 06/14/2019 16:12 (9), 07/06/2021 16:49 (3), 12/21/2024 23:19 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Might our Artificial Intelligence support you?

Check our Alexa App!