Linux Kernel up to 4.16.6 rsi_91x_mac80211.c rsi_mac80211_detach use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Linux Kernel up to 4.16.6. This vulnerability affects the function rsi_mac80211_detach of the file drivers/net/wireless/rsi/rsi_91x_mac80211.c. Executing a manipulation can lead to use after free. This vulnerability is tracked as CVE-2018-21008. The attack is restricted to local execution. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

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 use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in the Linux kernel before 4.16.7. A use-after-free can be caused by the function rsi_mac80211_detach in the file drivers/net/wireless/rsi/rsi_91x_mac80211.c.

The weakness was disclosed 09/04/2019 (Website). The advisory is shared for download at lists.debian.org. This vulnerability was named CVE-2018-21008 since 09/04/2019. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

Upgrading to version 4.16.7 eliminates this vulnerability.

The entries VDB-140765, VDB-140890, VDB-141092 and VDB-141248 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 4.16.7
Patch: git.kernel.org

Timelineinfo

09/04/2019 🔍
09/04/2019 +0 days 🔍
09/05/2019 +1 days 🔍
12/11/2023 +1558 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 154951
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-21008 (🔍)
GCVE (CVE): GCVE-0-2018-21008
GCVE (VulDB): GCVE-100-141232
See also: 🔍

Entryinfo

Created: 09/05/2019 07:17
Updated: 12/11/2023 14:52
Changes: 09/05/2019 07:17 (59), 08/12/2020 12:31 (2), 12/11/2023 14:51 (5), 12/11/2023 14:52 (1)
Complete: 🔍
Cache ID: 216::103

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