Linux Kernel 2.6.28.2 race condition

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

A vulnerability, which was classified as critical, was found in Linux Kernel 2.6.28.2 (Operating System). This affects an unknown code block. The manipulation with an unknown input leads to a race condition vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

Race condition in the mac80211 subsystem in the Linux kernel before 2.6.32-rc8-next-20091201 allows remote attackers to cause a denial of service (system crash) via a Delete Block ACK (aka DELBA) packet that triggers a certain state change in the absence of an aggregation session.

The issue has been introduced in 12/25/2008. The weakness was shared 12/02/2009 (Website). It is possible to read the advisory at kernel.org. This vulnerability is uniquely identified as CVE-2009-4027 since 11/20/2009. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/28/2021).

The vulnerability was handled as a non-public zero-day exploit for at least 342 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 63932 (RHEL 5 : kernel (RHSA-2010:0380)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165244 (SUSE Security Update for Kernel (SUSE-SA:2010:001)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (54571) and Tenable (63932). The entries 51129, 51127, 51068 and 50978 are related to this item.

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: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Race condition
CWE: CWE-362
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 63932
Nessus Name: RHEL 5 : kernel (RHSA-2010:0380)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 870251
OpenVAS Name: RedHat Update for Red Hat Enterprise Linux 5.5 kernel RHSA-2010:0178-02
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/25/2008 🔍
11/20/2009 +330 days 🔍
11/30/2009 +10 days 🔍
11/30/2009 +0 days 🔍
12/02/2009 +2 days 🔍
12/02/2009 +0 days 🔍
01/06/2010 +35 days 🔍
01/08/2010 +2 days 🔍
01/24/2013 +1112 days 🔍
03/18/2015 +783 days 🔍
08/28/2021 +2355 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: kernel.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-4027 (🔍)
OVAL: 🔍

X-Force: 54571
Vulnerability Center: 24524 - Linux Kernel <2.6.32-rc8 Mac80211 Subsystem Remote DoS via a Delete Block ACK Packet, Medium
SecurityFocus: 37170 - Linux Kernel 'net/mac80211/' Multiple Remote Denial of Service Vulnerabilities
Secunia: 38017 - SUSE update for kernel, Moderately Critical

See also: 🔍

Entryinfo

Created: 03/18/2015 15:15
Updated: 08/28/2021 10:06
Changes: 03/18/2015 15:15 (66), 02/19/2017 16:55 (12), 08/28/2021 10:06 (3)
Complete: 🔍

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