Linux Kernel up to 2.6.25 Tehuti Network Driver race condition

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

A vulnerability classified as problematic was found in Linux Kernel up to 2.6.25 (Operating System). Affected by this vulnerability is some unknown functionality of the component Tehuti Network Driver. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Race condition in the directory notification subsystem (dnotify) in Linux kernel 2.6.x before 2.6.24.6, and 2.6.25 before 2.6.25.1, allows local users to cause a denial of service (OOPS) and possibly gain privileges via unspecified vectors.

The weakness was released 05/02/2008 by Alexander Viro with Kernel.org (Website). It is possible to read the advisory at kernel.org. This vulnerability is known as CVE-2008-1375 since 03/18/2008. The attack can only be initiated within the local network. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 32335 (Fedora 8 : kernel-2.6.24.7-92.fc8 (2008-3873)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165690 (SUSE Enterprise Linux Security Update Linux Kernel (SUSE-SA:2008:032)).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at kernel.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (42131) and Tenable (32335). Entries connected to this vulnerability are available at 3470, 3471, 3494 and 3692.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.5

VulDB Base Score: 6.3
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Partially

Availability: 🔍
Status: Proof-of-Concept

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 32335
Nessus Name: Fedora 8 : kernel-2.6.24.7-92.fc8 (2008-3873)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
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Nessus Port: 🔍

OpenVAS ID: 60931
OpenVAS Name: Debian Security Advisory DSA 1565-1 (linux-2.6)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Patch: kernel.org

Timelineinfo

03/18/2008 🔍
05/01/2008 +44 days 🔍
05/02/2008 +1 days 🔍
05/02/2008 +0 days 🔍
05/02/2008 +0 days 🔍
05/07/2008 +5 days 🔍
05/15/2008 +7 days 🔍
05/16/2008 +1 days 🔍
05/20/2008 +4 days 🔍
05/20/2008 +0 days 🔍
05/20/2008 +0 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: kernel.org
Researcher: Alexander Viro
Organization: Kernel.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-1375 (🔍)
OVAL: 🔍

X-Force: 42131 - Linux kernel dnotify privilege escalation, High Risk
SecurityTracker: 1019959
SecurityFocus: 29003 - Linux Kernel 'dnotify.c' Local Race Condition Vulnerability
Secunia: 30260 - Fedora update for kernel, Less Critical
OSVDB: 44929 - Linux Kernel Directory Notification Subsystem (dnotify) Race Condition Unspecified Local Privilege Escalation
Vupen: ADV-2008-1452

See also: 🔍

Entryinfo

Created: 05/20/2008 09:43
Changes: 05/20/2008 09:43 (98)
Complete: 🔍

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