Linux Kernel up to 6.2.2 alpine-msi of_irq_find_parent reference count

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5.5	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Linux Kernel up to 6.2.2. Affected by this issue is the function of_irq_find_parent of the component alpine-msi. Such manipulation leads to reference count. This vulnerability is traded as CVE-2023-53191. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.2.2. Affected by this issue is the function of_irq_find_parent of the component alpine-msi. The manipulation with an unknown input leads to a reference count vulnerability. Using CWE to declare the problem leads to CWE-911. The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count. Impacted is availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: irqchip/alpine-msi: Fix refcount leak in alpine_msix_init_domains of_irq_find_parent() returns a node pointer with refcount incremented, We should use of_node_put() on it when not needed anymore. Add missing of_node_put() to avoid refcount leak.

The advisory is shared for download at git.kernel.org. This vulnerability is handled as CVE-2023-53191 since 09/15/2025. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 265224 (Linux Distros Unpatched Vulnerability : CVE-2023-53191), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.14.308, 4.19.276, 5.4.235, 5.10.173, 5.15.99, 6.1.16 or 6.2.3 eliminates this vulnerability. Applying the patch eef04516f0c317ce80502c1d6b0d06235a87cd8f/eef09f786df4b34b97557929287c4e5a83bbf09b/9e79ac4f70fd51243e1c6108d4b0baf16cfde99c/c9aaf4efe1f02b2fef21a69fb3652f5ad12a5710/d6c66c46889752fa4962c6388516f7ab66a8d6a1/65e30bd1310d90b794c377bf405394157854aa30/5fbf2cc39b62a4afe44f3d42ee3dcf8f012c1926/071d068b89e95d1b078aa6bbcb9d0961b77d6aa1 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 (265224), EUVD (EUVD-2023-59785) and CERT Bund (WID-SEC-2025-2053). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

• Debian Linux
• Amazon Linux 2
• Red Hat Enterprise Linux
• Ubuntu Linux
• SUSE Linux
• Oracle Linux
• IBM QRadar SIEM
• SUSE openSUSE
• Open Source Linux Kernel
• RESF Rocky Linux
• Dell Secure Connect Gateway
• F5 F5OS

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 4.14.307
• 4.19.275
• 5.4.234
• 5.10.172
• 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
• 5.15.87
• 5.15.88
• 5.15.89
• 5.15.90
• 5.15.91
• 5.15.92
• 5.15.93
• 5.15.94
• 5.15.95
• 5.15.96
• 5.15.97
• 5.15.98
• 6.1.0
• 6.1.1
• 6.1.2
• 6.1.3
• 6.1.4
• 6.1.5
• 6.1.6
• 6.1.7
• 6.1.8
• 6.1.9
• 6.1.10
• 6.1.11
• 6.1.12
• 6.1.13
• 6.1.14
• 6.1.15
• 6.2.0
• 6.2.1
• 6.2.2

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
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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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Reference count
CWE: CWE-911 / CWE-664
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
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 265224
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-53191

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 4.14.308/4.19.276/5.4.235/5.10.173/5.15.99/6.1.16/6.2.3
Patch: eef04516f0c317ce80502c1d6b0d06235a87cd8f/eef09f786df4b34b97557929287c4e5a83bbf09b/9e79ac4f70fd51243e1c6108d4b0baf16cfde99c/c9aaf4efe1f02b2fef21a69fb3652f5ad12a5710/d6c66c46889752fa4962c6388516f7ab66a8d6a1/65e30bd1310d90b794c377bf405394157854aa30/5fbf2cc39b62a4afe44f3d42ee3dcf8f012c1926/071d068b89e95d1b078aa6bbcb9d0961b77d6aa1

Timelineinfo

09/15/2025 Advisory disclosed
09/15/2025 +0 days CVE reserved
09/15/2025 +0 days VulDB entry created
01/10/2026 +117 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-53191 (🔒)
GCVE (CVE): GCVE-0-2023-53191
GCVE (VulDB): GCVE-100-323984
EUVD: 🔒
CERT Bund: WID-SEC-2025-2053 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 09/15/2025 16:50
Updated: 01/10/2026 21:02
Changes: 09/15/2025 16:50 (59), 09/19/2025 19:46 (2), 12/02/2025 03:48 (10), 12/02/2025 06:12 (1), 12/29/2025 00:47 (7), 01/10/2026 21:02 (1)
Complete: 🔍
Cache ID: 216::103

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