Linux Kernel up to 5.3 KVM Hypervisor /dev/kvm memory corruption

A vulnerability was found in Linux Kernel up to 5.3 (Operating System) and classified as critical. This issue affects an unknown code block of the file /dev/kvm of the component KVM Hypervisor. The manipulation with an unknown input leads to a memory corruption vulnerability (Out-of-Bounds). Using CWE to declare the problem leads to CWE-119. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 09/19/2019 as bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. The identification of this vulnerability is CVE-2019-14821 since 08/10/2019. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/20/2019).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Type

Vendor

Name

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

VulDB Base Score: ≈5.5
VulDB Temp Score: ≈5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Memory corruption / Out-of-Bounds (CWE-119)
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: no mitigation known

0-Day Time: 🔒

08/10/2019 CVE assigned
09/19/2019 +40 days Advisory disclosed
09/20/2019 +1 days VulDB entry created
09/20/2019 +0 days VulDB last updateVendor: kernel.org

Advisory: bugzilla.redhat.com

CVE: CVE-2019-14821 (🔒)

Created: 09/20/2019 10:45 AM
Complete: 🔍

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