Linux Kernel up to 6.1.4 nfc nfc_get_device memory leak

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5.5	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Linux Kernel up to 6.1.4. This affects the function nfc_get_device of the component nfc. Executing a manipulation can lead to memory leak. The identification of this vulnerability is CVE-2022-50834. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in Linux Kernel up to 6.1.4. This vulnerability affects the function nfc_get_device of the component nfc. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: nfc: Fix potential resource leaks nfc_get_device() take reference for the device, add missing nfc_put_device() to release it when not need anymore. Also fix the style warnning by use error EOPNOTSUPP instead of ENOTSUPP.

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2022-50834 since 12/30/2025. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 281698 (Linux Distros Unpatched Vulnerability : CVE-2022-50834), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.14.303, 4.19.270, 5.4.229, 5.10.163, 5.15.87, 6.0.19 or 6.1.5 eliminates this vulnerability. Applying the patch 277f0d0a9084e7454e5532c823a7a876a7b00af7/d1d912e7f82d7216ba4e266048ec1d1f5ea93839/d8e410315ad393b23520b5db0706be853589c548/e0f5c962c066e769c187f037fedc883f8abd4e82/b63bc2db244c1b57e36f16ea5f2a1becda413f68/a743128fca394a43425020a4f287d3168d94d04f/b32f6bef248562bb5191ada527717ea50b319466/df49908f3c52d211aea5e2a14a93bbe67a2cb3af is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (281698) and CERT Bund (WID-SEC-2025-2941). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

• Debian Linux
• Amazon Linux 2
• IBM Power Hardware Management Console
• Red Hat Enterprise Linux
• Ubuntu Linux
• SUSE Linux
• Oracle Linux
• Open Source Linux Kernel
• RESF Rocky Linux
• IBM DataPower Gateway

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 4.14.302
• 4.19.269
• 5.4.228
• 5.10.162
• 5.15.0
• 5.15.1
• 5.15.2
• 5.15.3
• 5.15.4
• 5.15.5
• 5.15.6
• 5.15.7
• 5.15.8
• 5.15.9
• 5.15.10
• 5.15.11
• 5.15.12
• 5.15.13
• 5.15.14
• 5.15.15
• 5.15.16
• 5.15.17
• 5.15.18
• 5.15.19
• 5.15.20
• 5.15.21
• 5.15.22
• 5.15.23
• 5.15.24
• 5.15.25
• 5.15.26
• 5.15.27
• 5.15.28
• 5.15.29
• 5.15.30
• 5.15.31
• 5.15.32
• 5.15.33
• 5.15.34
• 5.15.35
• 5.15.36
• 5.15.37
• 5.15.38
• 5.15.39
• 5.15.40
• 5.15.41
• 5.15.42
• 5.15.43
• 5.15.44
• 5.15.45
• 5.15.46
• 5.15.47
• 5.15.48
• 5.15.49
• 5.15.50
• 5.15.51
• 5.15.52
• 5.15.53
• 5.15.54
• 5.15.55
• 5.15.56
• 5.15.57
• 5.15.58
• 5.15.59
• 5.15.60
• 5.15.61
• 5.15.62
• 5.15.63
• 5.15.64
• 5.15.65
• 5.15.66
• 5.15.67
• 5.15.68
• 5.15.69
• 5.15.70
• 5.15.71
• 5.15.72
• 5.15.73
• 5.15.74
• 5.15.75
• 5.15.76
• 5.15.77
• 5.15.78
• 5.15.79
• 5.15.80
• 5.15.81
• 5.15.82
• 5.15.83
• 5.15.84
• 5.15.85
• 5.15.86
• 6.0.0
• 6.0.1
• 6.0.2
• 6.0.3
• 6.0.4
• 6.0.5
• 6.0.6
• 6.0.7
• 6.0.8
• 6.0.9
• 6.0.10
• 6.0.11
• 6.0.12
• 6.0.13
• 6.0.14
• 6.0.15
• 6.0.16
• 6.0.17
• 6.0.18
• 6.1.0
• 6.1.1
• 6.1.2
• 6.1.3
• 6.1.4

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

• 🔒
• 🔒
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CPE 2.2info

• 🔒
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CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

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

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 281698
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2022-50834

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 4.14.303/4.19.270/5.4.229/5.10.163/5.15.87/6.0.19/6.1.5
Patch: 277f0d0a9084e7454e5532c823a7a876a7b00af7/d1d912e7f82d7216ba4e266048ec1d1f5ea93839/d8e410315ad393b23520b5db0706be853589c548/e0f5c962c066e769c187f037fedc883f8abd4e82/b63bc2db244c1b57e36f16ea5f2a1becda413f68/a743128fca394a43425020a4f287d3168d94d04f/b32f6bef248562bb5191ada527717ea50b319466/df49908f3c52d211aea5e2a14a93bbe67a2cb3af

Timelineinfo

12/30/2025 Advisory disclosed
12/30/2025 +0 days CVE reserved
12/30/2025 +0 days VulDB entry created
04/25/2026 +116 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-50834 (🔒)
GCVE (CVE): GCVE-0-2022-50834
GCVE (VulDB): GCVE-100-338824
CERT Bund: WID-SEC-2025-2941 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 12/30/2025 15:47
Updated: 04/25/2026 19:50
Changes: 12/30/2025 15:47 (59), 12/31/2025 12:19 (7), 01/06/2026 07:56 (2), 01/27/2026 12:40 (1), 04/25/2026 19:50 (1)
Complete: 🔍
Cache ID: 216::103

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