CVE-2025-38187

drm/nouveau: fix a use-after-free in r535_gsp_rpc_push()

Description

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: fix a use-after-free in r535_gsp_rpc_push() The RPC container is released after being passed to r535_gsp_rpc_send(). When sending the initial fragment of a large RPC and passing the caller's RPC container, the container will be freed prematurely. Subsequent attempts to send remaining fragments will therefore result in a use-after-free. Allocate a temporary RPC container for holding the initial fragment of a large RPC when sending. Free the caller's container when all fragments are successfully sent. [ Rebase onto Blackwell changes. - Danilo ]

N/A

CVSS

Severity:

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/cd4677407c0ee250fc21e36439c8a442ddd62cc1
https://git.kernel.org/stable/c/9802f0a63b641f4cddb2139c814c2e95cb825099

Frequently Asked Questions

What is the severity of CVE-2025-38187?: CVE-2025-38187 has not yet been assigned a CVSS score.
How to fix CVE-2025-38187?: To fix CVE-2025-38187, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-38187 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2025-38187 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-38187?: CVE-2025-38187 affects Linux Linux, Linux Linux.

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