Linux Kernel 3.8 Microcode Loader memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel 3.8. It has been rated as problematic. Affected is an unknown function of the component Microcode Loader. This manipulation causes memory corruption. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Linux Kernel 3.8 (Operating System). It has been declared as critical. Affected by this vulnerability is an unknown function of the component Microcode Loader. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 03/18/2015 as confirmed mailinglist post (oss-sec). It is possible to read the advisory at seclists.org. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

The vulnerability is also documented in the vulnerability database at X-Force (101735). Similar entries are available at VDB-74097 and VDB-74096. 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: 9.3
VulDB Meta Temp Score: 8.1

VulDB Base Score: 9.3
VulDB Temp Score: 8.1
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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Unproven
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.kernel.org

Timelineinfo

03/18/2015 🔍
03/24/2015 +6 days 🔍
01/31/2018 +1044 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: seclists.org
Status: Confirmed

GCVE (VulDB): GCVE-100-74095
X-Force: 101735 - Linux Kernel microcode loader buffer overflow

See also: 🔍

Entryinfo

Created: 03/24/2015 09:36
Updated: 01/31/2018 07:50
Changes: 03/24/2015 09:36 (40), 01/31/2018 07:50 (4)
Complete: 🔍
Cache ID: 216:5A0:103

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

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