VDB-11636 · SA56224 · OSVDB 101400

Linux Kernel 3.0.8/3.4.74/3.10.24/3.12.5 Stack Frame process.c get_wchan denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel 3.0.8/3.4.74/3.10.24/3.12.5. This impacts the function get_wchan of the file arch/arm/kernel/process.c of the component Stack Frame Handler. Such manipulation leads to denial of service. Additionally, an exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel 3.0.8/3.4.74/3.10.24/3.12.5 (Operating System). It has been rated as problematic. Affected by this issue is the function get_wchan of the file arch/arm/kernel/process.c of the component Stack Frame Handler. 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 weakness was released 08/28/2013 by ykrocku as unwind_frame cause a kernel paging error as not defined posting (Stack Overflow). The advisory is shared for download at stackoverflow.com. The public release happened without coordination with the vendor. The attack needs to be approached locally. A simple authentication is required for exploitation. Technical details as well as a public exploit are known.

A public exploit has been developed by ykrocku in C and been published immediately after the advisory. The exploit is available at stackoverflow.com. It is declared as proof-of-concept. The code used by the exploit is:

frame->fp = *(unsigned long *)(fp - 12);

Upgrading to version 3.4.75, 3.10.25 or 3.12.6 eliminates this vulnerability. The upgrade is hosted for download at git.kernel.org. A possible mitigation has been published 5 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at OSVDB (101400†) and Secunia (SA56224†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: ykrocku
Programming Language: 🔍
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Upgrade: Kernel 3.4.75/3.10.25/3.12.6

Timelineinfo

08/28/2013 🔍
08/28/2013 +0 days 🔍
12/20/2013 +114 days 🔍
12/24/2013 +4 days 🔍
12/27/2013 +3 days 🔍
03/24/2019 +1913 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: unwind_frame cause a kernel paging error
Researcher: ykrocku
Status: Not defined

GCVE (VulDB): GCVE-100-11636
Secunia: 56224 - Linux Kernel "get_wchan()" Stack Frame Unwinding Denial of Service Vulnerability, Not Critical
OSVDB: 101400

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/27/2013 23:48
Updated: 03/24/2019 08:29
Changes: 12/27/2013 23:48 (60), 03/24/2019 08:29 (1)
Complete: 🔍
Cache ID: 216:A19:103

Once again VulDB remains the best source for vulnerability data.

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