Linux Kernel 5.0.21 f2fs Filesystem Image __remove_dirty_segment memory corruption

A vulnerability classified as critical was found in Linux Kernel 5.0.21 (Operating System). This vulnerability affects the function __remove_dirty_segment of the component f2fs Filesystem Image Handler. The manipulation with an unknown input leads to a memory corruption vulnerability (Out-of-Bounds). The CWE definition for the vulnerability is CWE-119. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 12/17/2019. This vulnerability was named CVE-2019-19814 since 12/16/2019. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 12/18/2019).

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

The entries 147324, 147323 and 147321 are pretty similar.

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: 🔒

12/16/2019 CVE assigned
12/17/2019 +1 days Advisory disclosed
12/18/2019 +1 days VulDB entry created
12/18/2019 +0 days VulDB last updateVendor: kernel.org
CVE: CVE-2019-19814 (🔒)
See also: 🔒Created: 12/18/2019 08:20 AM
Complete: 🔍

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