Linux Kernel up to 5.1.5 Error cfg80211.c mwifiex_tm_cmd release of resource

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.1.5. It has been rated as problematic. This affects the function mwifiex_tm_cmd of the file drivers/net/wireless/marvell/mwifiex/cfg80211.c of the component Error Handler. The manipulation leads to release of resource. This vulnerability is referenced as CVE-2019-20095. The attack can only be performed from a local environment. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.1.5 (Operating System) and classified as problematic. This issue affects the function mwifiex_tm_cmd of the file drivers/net/wireless/marvell/mwifiex/cfg80211.c of the component Error Handler. The manipulation with an unknown input leads to a release of resource vulnerability. Using CWE to declare the problem leads to CWE-772. The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed. Impacted is availability. The summary by CVE is:

mwifiex_tm_cmd in drivers/net/wireless/marvell/mwifiex/cfg80211.c in the Linux kernel before 5.1.6 has some error-handling cases that did not free allocated hostcmd memory, aka CID-003b686ace82. This will cause a memory leak and denial of service.

The weakness was published 12/30/2019. The identification of this vulnerability is CVE-2019-20095 since 12/30/2019. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 208557 (CentOS 7 : kernel-alt (RHSA-2020:1493)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.1.6 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (208557). Similar entry is available at VDB-147876. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Release of resource
CWE: CWE-772 / CWE-400 / CWE-404
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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Nessus ID: 208557
Nessus Name: CentOS 7 : kernel-alt (RHSA-2020:1493)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.1.6
Patch: git.kernel.org

Timelineinfo

12/30/2019 🔍
12/30/2019 +0 days 🔍
12/30/2019 +0 days 🔍
10/15/2024 +1751 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: cdn.kernel.org
Status: Not defined

CVE: CVE-2019-20095 (🔍)
GCVE (CVE): GCVE-0-2019-20095
GCVE (VulDB): GCVE-100-147875
See also: 🔍

Entryinfo

Created: 12/30/2019 09:26
Updated: 10/15/2024 19:18
Changes: 12/30/2019 09:26 (41), 12/30/2019 09:31 (18), 03/18/2024 10:46 (19), 10/15/2024 19:18 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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