Linux Kernel up to 5.0.3 /proc/ioports memory corruption

A vulnerability classified as critical was found in Linux Kernel up to 5.0.3 (Operating System). Affected by this vulnerability is the functionality of the file /proc/ioports. The manipulation with an unknown input leads to a memory corruption vulnerability (Use-After-Free). The CWE definition for the vulnerability is CWE-119. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 05/07/2019. This vulnerability is known as CVE-2019-11811 since 05/07/2019. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/08/2019).

Upgrading to version 5.0.4 eliminates this vulnerability.

Entries connected to this vulnerability are available at 134460.

Vendor

Name

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: ≈5.5
VulDB Temp Score: ≈5.3
VulDB Vector: ?
VulDB Reliability: ?

VulDB Base Score: ?
VulDB Temp Score: ?
VulDB Reliability: ?
Class: Memory corruption / Use-After-Free (CWE-119)
Local: Yes
Remote: No

Availability: ?
Status: Not defined

Price Prediction: ?
Current Price Estimation: ?

Threat Intelligenceinfoedit

Threat: ?
Adversaries: ?
Geopolitics: ?
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Remediation: ?Recommended: Upgrade
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Upgrade: Kernel 5.0.4

05/07/2019 Advisory disclosed
05/07/2019 +0 days CVE assigned
05/08/2019 +1 days VulDB entry created
05/08/2019 +0 days VulDB last updateCVE: CVE-2019-11811 (?)
See also: ?Created: 05/08/2019 07:30 AM
Complete: ?

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