Linux Kernel up to 6.6.117/6.12.59/6.17.9 nvkm_falcon_fw kfree allocation of resources

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.6.117/6.12.59/6.17.9. It has been rated as critical. Affected by this issue is the function kfree of the component nvkm_falcon_fw. Performing a manipulation results in allocation of resources. This vulnerability is reported as CVE-2025-68235. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.6.117/6.12.59/6.17.9. It has been classified as critical. This affects the function kfree of the component nvkm_falcon_fw. The manipulation with an unknown input leads to a allocation of resources vulnerability. CWE is classifying the issue as CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: nouveau/firmware: Add missing kfree() of nvkm_falcon_fw::boot nvkm_falcon_fw::boot is allocated, but no one frees it. This causes a kmemleak warning. Make sure this data is deallocated.

The advisory is shared at git.kernel.org. This vulnerability is uniquely identified as CVE-2025-68235 since 12/16/2025. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/18/2026).

The vulnerability scanner Nessus provides a plugin with the ID 302766 (Ubuntu 24.04 LTS / 25.10 : Linux kernel vulnerabilities (USN-8094-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.6.118, 6.12.60 or 6.17.10 eliminates this vulnerability. Applying the patch 7d1977b4ae5c50e1aafc5c51500fc08bd7afd6a0/6492add9a3a163d5e0390428d2636adc3e61b883/2bba02a39bfb383bd1a95868d532c0917e38f9e7/949f1fd2225baefbea2995afa807dba5cbdb6bd3 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 (302766) and CERT Bund (WID-SEC-2025-2868). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • RESF Rocky Linux
  • Open Source Linux Kernel

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.0
VulDB Temp Score: 7.6
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: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
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: 302766
Nessus Name: Ubuntu 24.04 LTS / 25.10 : Linux kernel vulnerabilities (USN-8094-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 6.6.118/6.12.60/6.17.10
Patch: 7d1977b4ae5c50e1aafc5c51500fc08bd7afd6a0/6492add9a3a163d5e0390428d2636adc3e61b883/2bba02a39bfb383bd1a95868d532c0917e38f9e7/949f1fd2225baefbea2995afa807dba5cbdb6bd3

Timelineinfo

12/16/2025 Advisory disclosed
12/16/2025 +0 days CVE reserved
12/16/2025 +0 days VulDB entry created
03/18/2026 +92 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2025-68235 (🔒)
GCVE (CVE): GCVE-0-2025-68235
GCVE (VulDB): GCVE-100-336777
CERT Bund: WID-SEC-2025-2868 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 12/16/2025 16:04
Updated: 03/18/2026 09:01
Changes: 12/16/2025 16:04 (59), 01/20/2026 02:00 (7), 02/03/2026 12:17 (1), 02/21/2026 23:02 (1), 03/18/2026 09:01 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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