Linux Kernel 3.1 tools/hv/hv_kvp_daemon.c main denial of service

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

Summaryinfo

A vulnerability marked as problematic has been reported in Linux Kernel 3.1. This affects the function main of the file tools/hv/hv_kvp_daemon.c. The manipulation leads to denial of service. This vulnerability is listed as CVE-2012-5532. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel 3.1 (Operating System). This issue affects the function main of the file tools/hv/hv_kvp_daemon.c. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

The main function in tools/hv/hv_kvp_daemon.c in hypervkvpd, as distributed in the Linux kernel before 3.8-rc1, allows local users to cause a denial of service (daemon exit) via a crafted application that sends a Netlink message. NOTE: this vulnerability exists because of an incorrect fix for CVE-2012-2669.

The weakness was presented 12/27/2012 (Website). It is possible to read the advisory at kernel.org. The identification of this vulnerability is CVE-2012-5532 since 10/24/2012. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. This vulnerability exists because of an incorrect fix for CVE-2012-2669.

The vulnerability scanner Nessus provides a plugin with the ID 66975 (Mandriva Linux Security Advisory : kernel (MDVSA-2013:176)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 121249 (CentOS Security Update for hypervkvpd (CESA-2013:0807)).

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 (80337), Tenable (66975), SecurityFocus (BID 56710†) and Vulnerability Center (SBV-39321†). See VDB-7603 for similar entry. Be aware that VulDB is the high quality source for vulnerability data.

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: Denial of service
CWE: 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: 66975
Nessus Name: Mandriva Linux Security Advisory : kernel (MDVSA-2013:176)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 881734
OpenVAS Name: CentOS Update for hypervkvpd-0 CESA-2013:0807 centos5
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: 95a69adab9acfc3981c504737a2b6578e4d846ef

Timelineinfo

10/24/2012 🔍
11/27/2012 +34 days 🔍
12/27/2012 +30 days 🔍
12/27/2012 +0 days 🔍
04/24/2013 +118 days 🔍
06/25/2013 +62 days 🔍
03/24/2015 +637 days 🔍
12/29/2024 +3568 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 95a69adab9acfc3981c504737a2b6578e4d846ef
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-5532 (🔍)
GCVE (CVE): GCVE-0-2012-5532
GCVE (VulDB): GCVE-100-63263

OVAL: 🔍

X-Force: 80337
SecurityFocus: 56710
Vulnerability Center: 39321 - Hypervkvpd \x27tools/hv/hv_kvp_daemon.c\x27 in Linux Kernel Allows Local DoS Vulnerability via a Crafted Application, Medium

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 12/29/2024 06:24
Changes: 03/24/2015 12:22 (67), 04/28/2017 09:11 (3), 12/21/2021 08:50 (5), 12/21/2021 08:52 (1), 12/21/2021 08:53 (1), 12/29/2024 06:24 (38)
Complete: 🔍
Cache ID: 216:FA7:103

Be aware that VulDB is the high quality source for vulnerability data.

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