Linux Kernel up to 4.16.6 rsi_91x_mac80211.c rsi_mac80211_detach memory corruption

A vulnerability has been found in Linux Kernel up to 4.16.6 (Operating System) and classified as critical. This vulnerability affects the function rsi_mac80211_detach of the file drivers/net/wireless/rsi/rsi_91x_mac80211.c. 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 disclosed 09/04/2019. This vulnerability was named CVE-2018-21008 since 09/04/2019. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 09/05/2019).

Upgrading to version 4.16.7 eliminates this vulnerability.

The entry 141231 is pretty similar.

Type

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: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 4.16.7

09/04/2019 Advisory disclosed
09/04/2019 +0 days CVE assigned
09/05/2019 +1 days VulDB entry created
09/05/2019 +0 days VulDB last updateVendor: kernel.org
CVE: CVE-2018-21008 (🔒)
See also: 🔒Created: 09/05/2019 07:17 AM
Complete: 🔍

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