Linux Kernel 2.6.16.9 __nfs4_proc_set_acl resource management

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in Linux Kernel 2.6.16.9 and classified as problematic. This affects the function __nfs4_proc_set_acl. The manipulation leads to resource management. This vulnerability is traded as CVE-2011-1090. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.16.9 (Operating System) and classified as problematic. This issue affects the function __nfs4_proc_set_acl. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

The __nfs4_proc_set_acl function in fs/nfs/nfs4proc.c in the Linux kernel before 2.6.38 stores NFSv4 ACL data in memory that is allocated by kmalloc but not properly freed, which allows local users to cause a denial of service (panic) via a crafted attempt to set an ACL.

The issue has been introduced in 03/20/2006. The weakness was shared 05/09/2011 as Bug 682641 as confirmed bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. The identification of this vulnerability is CVE-2011-1090 since 02/24/2011. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 1851 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 53432 (CentOS 5 : kernel (CESA-2011:0429)), 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 165558 (SUSE Enterprise Linux Security Update Linux Kernel (SUSE-SA:2011:019)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (53432), SecurityFocus (BID 45323†), Secunia (SA46397†) and SecurityTracker (ID 1025336†). The entries VDB-4261, VDB-55628, VDB-56087 and VDB-55839 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: 6.2
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.2
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 53432
Nessus Name: CentOS 5 : kernel (CESA-2011:0429)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 69970
OpenVAS Name: Debian Security Advisory DSA 2264-1 (linux-2.6)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: e9e3d724e2145f5039b423c290ce2b2c3d8f94bc

Timelineinfo

03/20/2006 🔍
02/24/2011 +1802 days 🔍
04/12/2011 +47 days 🔍
04/14/2011 +2 days 🔍
04/15/2011 +1 days 🔍
05/09/2011 +24 days 🔍
05/09/2011 +0 days 🔍
10/13/2011 +157 days 🔍
03/23/2015 +1257 days 🔍
11/06/2021 +2420 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: Bug 682641
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-1090 (🔍)
GCVE (CVE): GCVE-0-2011-1090
GCVE (VulDB): GCVE-100-57389

OVAL: 🔍
IAVM: 🔍

SecurityFocus: 45323
Secunia: 46397 - VMware ESX / ESXi Server Multiple Vulnerabilities, Moderately Critical
SecurityTracker: 1025336

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/06/2021 08:14
Changes: 03/23/2015 16:50 (78), 04/14/2019 12:23 (3), 11/06/2021 08:14 (4)
Complete: 🔍
Cache ID: 216::103

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