Linux Kernel Namespace 7pk security

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel. Affected by this vulnerability is an unknown functionality of the component Namespace Handler. The manipulation leads to 7pk security. This vulnerability is traded as CVE-2015-2925. There is no exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Linux Kernel (Operating System) (affected version unknown). It has been rated as problematic. This issue affects an unknown functionality of the component Namespace Handler. The manipulation with an unknown input leads to a 7pk security vulnerability. Using CWE to declare the problem leads to CWE-254. Impacted is confidentiality, integrity, and availability.

The weakness was shared 04/03/2015 by Jann Horn as confirmed mailinglist post (oss-sec). The advisory is shared at seclists.org. The identification of this vulnerability is CVE-2015-2925 since 04/04/2015. 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. MITRE ATT&CK project uses the attack technique T1211 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 86783 (Ubuntu 12.04 LTS : linux vulnerabilities (USN-2792-1)), 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 350099 (Amazon Linux Security Advisory for kernel: ALAS-2015-603).

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 8 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (102130), Tenable (86783), SecurityFocus (BID 73926†) and Vulnerability Center (SBV-54428†). The entries VDB-78291, VDB-79228 and VDB-107481 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: 5.9
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.9
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: 7pk security
CWE: CWE-254
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 86783
Nessus Name: Ubuntu 12.04 LTS : linux vulnerabilities (USN-2792-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703364
OpenVAS Name: Debian Security Advisory DSA 3364-1 (linux - security update)
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

04/03/2015 🔍
04/04/2015 +1 days 🔍
04/06/2015 +2 days 🔍
04/13/2015 +7 days 🔍
09/22/2015 +162 days 🔍
11/04/2015 +43 days 🔍
11/06/2015 +2 days 🔍
11/16/2015 +10 days 🔍
11/17/2015 +1 days 🔍
07/17/2024 +3165 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-2792-1
Researcher: Jann Horn
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-2925 (🔍)
GCVE (CVE): GCVE-0-2015-2925
GCVE (VulDB): GCVE-100-74789

OVAL: 🔍

X-Force: 102130 - Linux Kernel namespace unauthorized access
SecurityFocus: 73926 - Linux Kernel CVE-2015-2925 Local Privilege Escalation Vulnerability
Vulnerability Center: 54428 - Linux Kernel before 4.2.4 Local Privilege Escalation in prepend_path Function in fs/dcache.c, Medium

See also: 🔍

Entryinfo

Created: 04/13/2015 09:08
Updated: 07/17/2024 18:20
Changes: 04/13/2015 09:08 (70), 04/12/2018 17:22 (11), 05/03/2022 18:40 (4), 05/03/2022 18:48 (1), 07/17/2024 18:20 (16)
Complete: 🔍
Cache ID: 216:EF6:103

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