Linux Kernel 5.2.14 if_sdio.c alloc_workqueue null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$5k-$25k0.00

A vulnerability classified as problematic was found in Linux Kernel 5.2.14 (Operating System). Affected by this vulnerability is some unknown processing in the library drivers/net/wireless/marvell/libertas/if_sdio.c. The manipulation of the argument alloc_workqueue as part of a Return Value leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:

drivers/net/wireless/marvell/libertas/if_sdio.c in the Linux kernel 5.2.14 does not check the alloc_workqueue return value, leading to a NULL pointer dereference.

The weakness was shared 09/11/2019 (Website). It is possible to read the advisory at lists.fedoraproject.org. This vulnerability is known as CVE-2019-16232 since 09/11/2019. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/19/2023).

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

The entries 140765, 140890, 141092 and 141232 are related to this item.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.7

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

NVD Base Score: 4.1
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/11/2019 🔍
09/11/2019 +0 days 🔍
09/12/2019 +1 days 🔍
12/19/2023 +1559 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-4284-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-16232 (🔍)
See also: 🔍

Entryinfo

Created: 09/12/2019 08:34
Updated: 12/19/2023 12:25
Changes: 09/12/2019 08:34 (58), 08/21/2020 09:56 (2), 12/19/2023 12:25 (3)
Complete: 🔍

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