Linux Kernel up to 5.1.5 clk-sunxi.c sunxi_divs_clk_setup denial of service

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 5.1.5 (Operating System). Affected by this issue is the function sunxi_divs_clk_setup of the file drivers/clk/sunxi/clk-sunxi.c. The manipulation with an unknown input leads to a denial of service vulnerability (NULL Pointer Dereference). Using CWE to declare the problem leads to CWE-476. Impacted is availability.

The weakness was disclosed 05/30/2019. This vulnerability is handled as CVE-2019-12455 since 05/29/2019. The exploitation is known to be easy. Local access is required to approach this attack. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 05/30/2019).

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

The entry 135721 is pretty similar.

Vendor

• Linux

Name

• Kernel

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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: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Denial of service / NULL Pointer Dereference (CWE-476)
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: 🔒

05/29/2019 CVE assigned
05/30/2019 +1 days Advisory disclosed
05/30/2019 +0 days VulDB entry created
05/30/2019 +0 days VulDB last updateVendor: kernel.org
CVE: CVE-2019-12455 (🔒)
See also: 🔒Created: 05/30/2019 05:18 PM
Complete: 🔍

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