Linux Kernel up to 6.3.1 media rcar_fcp_get reference count

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Linux Kernel up to 6.3.1. Affected is the function rcar_fcp_get of the component media. Executing a manipulation can lead to reference count. This vulnerability appears as CVE-2023-54109. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.3.1. It has been declared as critical. This vulnerability affects the function rcar_fcp_get of the component media. The manipulation with an unknown input leads to a reference count vulnerability. The CWE definition for the vulnerability is CWE-911. The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count. As an impact it is known to affect availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: media: rcar_fdp1: Fix refcount leak in probe and remove function rcar_fcp_get() take reference, which should be balanced with rcar_fcp_put(). Add missing rcar_fcp_put() in fdp1_remove and the error paths of fdp1_probe() to fix this. [hverkuil: resolve merge conflict, remove() is now void]

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2023-54109 since 12/24/2025. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 280053 (Linux Distros Unpatched Vulnerability : CVE-2023-54109), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.19.283, 5.4.243, 5.10.180, 5.15.111, 6.1.28, 6.2.15 or 6.3.2 eliminates this vulnerability. Applying the patch 418a8f3140e07f33bbd5a81625d0ef46c0732cef/9df630dafa1a59946d1da6f070d4cb64f14ea57c/1acb982e3616e70128994fdecf2368a259c8a489/2322b262d2205720518785c2706a3283725ba402/45b7461d914c867ef21c74798da8c42d13d3a0df/59c6addfaaaa09ff7654e4d8793cb16fd22a46d4/48765ca7c6b71bf73a4cc8475a4bad9e2633cf61/c766c90faf93897b77c9c5daa603cffab85ba907 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 (280053) and CERT Bund (WID-SEC-2025-2929). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Open Source Linux Kernel

Productinfo

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Version

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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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Nessus ID: 280053
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-54109

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 4.19.283/5.4.243/5.10.180/5.15.111/6.1.28/6.2.15/6.3.2
Patch: 418a8f3140e07f33bbd5a81625d0ef46c0732cef/9df630dafa1a59946d1da6f070d4cb64f14ea57c/1acb982e3616e70128994fdecf2368a259c8a489/2322b262d2205720518785c2706a3283725ba402/45b7461d914c867ef21c74798da8c42d13d3a0df/59c6addfaaaa09ff7654e4d8793cb16fd22a46d4/48765ca7c6b71bf73a4cc8475a4bad9e2633cf61/c766c90faf93897b77c9c5daa603cffab85ba907

Timelineinfo

12/24/2025 Advisory disclosed
12/24/2025 +0 days CVE reserved
12/24/2025 +0 days VulDB entry created
01/03/2026 +10 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-54109 (🔒)
GCVE (CVE): GCVE-0-2023-54109
GCVE (VulDB): GCVE-100-338128
CERT Bund: WID-SEC-2025-2929 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 12/24/2025 15:12
Updated: 01/03/2026 04:01
Changes: 12/24/2025 15:12 (59), 12/27/2025 03:59 (2), 01/03/2026 04:01 (7)
Complete: 🔍
Cache ID: 216::103

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

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