Linux Kernel up to 6.2.2 irq-mvebu-gicp of_irq_find_parent reference count

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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.2.2 and classified as critical. Affected by this vulnerability is the function of_irq_find_parent of the component irq-mvebu-gicp. Such manipulation leads to reference count. This vulnerability is referenced as CVE-2023-53757. No exploit is available. It is suggested to upgrade the affected component.

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 irq-mvebu-gicp. 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/irq-mvebu-gicp: Fix refcount leak in mvebu_gicp_probe 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 available at git.kernel.org. This vulnerability is handled as CVE-2023-53757 since 12/08/2025. Technical details are known, but there is no available exploit.

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 d6b99b9b5e354f9c801a3cc3b1d4881d920e1718/4545d7a70ce0fc78b1d3c33c4a0939a86f363b57/c7d78d36e19eeb74a1c12799fbadbcdbaf36c0bd/cee12e8be8e227731a845ae43a4c9ce2e404be45/88cb93d3a16f706bd7213f8a5882c394e5d10c4e/bb755e020abc24793b9411c9419ed43f07f9a03d/91e149b201bdb68c77011d50d011e47fadbcc8bd/9419e700021a393f67be36abd0c4f3acc6139041 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 EUVD (EUVD-2023-60071) and CERT Bund (WID-SEC-2025-2756). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Google Container-Optimized OS
  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • NetApp FAS
  • NetApp AFF
  • SUSE openSUSE
  • RESF Rocky Linux
  • Open Source Linux Kernel
  • Microsoft Azure Linux

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

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

AVACAuCIA
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💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: No
Local: No
Remote: Partially

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: 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: d6b99b9b5e354f9c801a3cc3b1d4881d920e1718/4545d7a70ce0fc78b1d3c33c4a0939a86f363b57/c7d78d36e19eeb74a1c12799fbadbcdbaf36c0bd/cee12e8be8e227731a845ae43a4c9ce2e404be45/88cb93d3a16f706bd7213f8a5882c394e5d10c4e/bb755e020abc24793b9411c9419ed43f07f9a03d/91e149b201bdb68c77011d50d011e47fadbcc8bd/9419e700021a393f67be36abd0c4f3acc6139041

Timelineinfo

12/08/2025 Advisory disclosed
12/08/2025 +0 days CVE reserved
12/08/2025 +0 days VulDB entry created
02/23/2026 +77 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-53757 (🔒)
GCVE (CVE): GCVE-0-2023-53757
GCVE (VulDB): GCVE-100-334730
EUVD: 🔒
CERT Bund: WID-SEC-2025-2756 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 12/08/2025 06:29
Updated: 02/23/2026 04:33
Changes: 12/08/2025 06:29 (59), 12/08/2025 10:46 (1), 12/09/2025 03:32 (7), 01/04/2026 10:35 (1), 01/22/2026 05:53 (1), 02/23/2026 04:33 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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