Linux Kernel up to 5.6.13 VFIO PCI Driver exceptional condition

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Linux Kernel up to 5.6.13. This impacts an unknown function of the component VFIO PCI Driver. This manipulation causes exceptional condition. The identification of this vulnerability is CVE-2020-12888. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.6.13 (Operating System). It has been declared as critical. Affected by this vulnerability is some unknown processing of the component VFIO PCI Driver. The manipulation with an unknown input leads to a exceptional condition vulnerability. The CWE definition for the vulnerability is CWE-755. The product does not handle or incorrectly handles an exceptional condition. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The VFIO PCI driver in the Linux kernel through 5.6.13 mishandles attempts to access disabled memory space.

The weakness was shared 05/15/2020. This vulnerability is known as CVE-2020-12888 since 05/15/2020. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/09/2025).

The vulnerability scanner Nessus provides a plugin with the ID 247082 (Linux Distros Unpatched Vulnerability : CVE-2020-12888), which helps to determine the existence of the flaw in a target environment.

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 vulnerability database at Tenable (247082). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Exceptional condition
CWE: CWE-755
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: 247082
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2020-12888

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/15/2020 🔍
05/15/2020 +0 days 🔍
05/16/2020 +1 days 🔍
08/09/2025 +1911 days 🔍

Sourcesinfo

Vendor: kernel.org

Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-12888 (🔍)
GCVE (CVE): GCVE-0-2020-12888
GCVE (VulDB): GCVE-100-155329

Entryinfo

Created: 05/16/2020 09:41
Updated: 08/09/2025 21:56
Changes: 05/16/2020 09:41 (36), 05/16/2020 09:46 (18), 10/18/2020 13:42 (1), 08/09/2025 21:56 (17)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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