Linux Kernel 5.2.14 trans.c alloc_workqueue null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel 5.2.14. Affected by this issue is some unknown functionality of the file drivers/net/wireless/intel/iwlwifi/pcie/trans.c. Performing a manipulation of the argument alloc_workqueue as part of Return Value results in null pointer dereference. This vulnerability is identified as CVE-2019-16234. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel 5.2.14 (Operating System). This affects an unknown functionality of the file drivers/net/wireless/intel/iwlwifi/pcie/trans.c. The manipulation of the argument alloc_workqueue as part of a Return Value leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

drivers/net/wireless/intel/iwlwifi/pcie/trans.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 released 09/11/2019 (Website). The advisory is shared at lists.opensuse.org. This vulnerability is uniquely identified as CVE-2019-16234 since 09/11/2019. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k 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.

Entries connected to this vulnerability are available at VDB-140765, VDB-140890, VDB-141092 and VDB-141232. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

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

NVD Base Score: 4.7
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
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-4342-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-16234 (🔍)
GCVE (CVE): GCVE-0-2019-16234
GCVE (VulDB): GCVE-100-141681
See also: 🔍

Entryinfo

Created: 09/12/2019 08:35
Updated: 12/19/2023 12:40
Changes: 09/12/2019 08:35 (58), 08/21/2020 10:06 (2), 12/19/2023 12:40 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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