VDB-215848 · CVE-2022-3105 · GCVE-0-2022-3105

Linux Kernel up to 5.16-rc6 uverbs_uapi.c uapi_finalize null pointer dereference

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5.5	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Linux Kernel up to 5.16-rc6. The affected element is the function uapi_finalize of the file drivers/infiniband/core/uverbs_uapi.c. Executing a manipulation can lead to null pointer dereference. This vulnerability appears as CVE-2022-3105. There is no available exploit. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel up to 5.16-rc6 (Operating System). This vulnerability affects the function uapi_finalize of the file drivers/infiniband/core/uverbs_uapi.c. The manipulation with an unknown input 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. CVE summarizes:

An issue was discovered in the Linux kernel through 5.16-rc6. uapi_finalize in drivers/infiniband/core/uverbs_uapi.c lacks check of kmalloc_array().

The weakness was presented 12/15/2022. The advisory is shared for download at bugzilla.redhat.com. This vulnerability was named CVE-2022-3105 since 09/02/2022. There are known technical details, but no exploit is available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

License

open-source

Website

Vendor: https://www.kernel.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.kernel.org

Timelineinfo

09/02/2022 🔍
12/15/2022 +104 days 🔍
12/15/2022 +0 days 🔍
01/12/2023 +28 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2022-3105 (🔍)
GCVE (CVE): GCVE-0-2022-3105
GCVE (VulDB): GCVE-100-215848

Entryinfo

Created: 12/15/2022 01:08
Updated: 01/12/2023 19:54
Changes: 12/15/2022 01:08 (42), 01/12/2023 19:54 (10)
Complete: 🔍
Cache ID: 216::103