CVE-2025-68235: nouveau/firmware: Add missing kfree() of nvkm_falcon_fw::boot

Severity: unknown
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-12-16 · updated 2026-10-14

Description

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.

Affected products

Linux kernel: 6.2 — fixed in 6.18

How to fix

Upgrade to a fixed version: Linux kernel 6.18. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/2bba02a39bfb383bd1a95868d532c0917e38f9e7
https://git.kernel.org/stable/c/6492add9a3a163d5e0390428d2636adc3e61b883
https://git.kernel.org/stable/c/7d1977b4ae5c50e1aafc5c51500fc08bd7afd6a0
https://git.kernel.org/stable/c/949f1fd2225baefbea2995afa807dba5cbdb6bd3

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