Linux Kernel 2.6 cleanup_journal_tail input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

A vulnerability, which was classified as problematic, was found in Linux Kernel 2.6 (Operating System). Affected is the function cleanup_journal_tail. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. CVE summarizes:

The cleanup_journal_tail function in the Journaling Block Device (JBD) functionality in the Linux kernel 2.6 allows local users to cause a denial of service (assertion error and kernel oops) via an ext3 or ext4 image with an "invalid log first block value."

The weakness was shared 01/27/2012 as Bug 753341 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2011-4132. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/29/2021).

The vulnerability scanner Nessus provides a plugin with the ID 69585 (Amazon Linux AMI : kernel (ALAS-2011-26)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350692 (Amazon Linux Security Advisory for kernel: ALAS-2012-055).

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 (71290) and Tenable (69585). The entries 4416, 4434, 4553 and 4488 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: 4.0
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.0
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 69585
Nessus Name: Amazon Linux AMI : kernel (ALAS-2011-26)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 881222
OpenVAS Name: CentOS Update for kernel CESA-2012:0007 centos5
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: 8762202dd0d6e46854f786bdb6fb3780a1625efe

Timelineinfo

10/18/2011 🔍
11/01/2011 +14 days 🔍
11/14/2011 +13 days 🔍
11/29/2011 +15 days 🔍
01/27/2012 +59 days 🔍
01/27/2012 +0 days 🔍
03/23/2015 +1151 days 🔍
11/29/2021 +2443 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: Bug 753341
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-4132 (🔍)
OVAL: 🔍
IAVM: 🔍

X-Force: 71290
Vulnerability Center: 33959 - Linux Kernel 2.6.39-rc3 and Earlier journal_get_superblock() Local Denial of Service Vulnerability, Medium
SecurityFocus: 50663 - Linux Kernel 'journal_get_superblock()' Function Local Denial of Service Vulnerability
Secunia: 48898

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/29/2021 08:45
Changes: 03/23/2015 16:50 (63), 04/05/2017 15:00 (11), 11/29/2021 08:42 (7), 11/29/2021 08:45 (1)
Complete: 🔍

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