BELL-CVE-2025-38421

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CVE-2025-38421

In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd: pmf: Use device managed allocations If setting up smart PC fails for any reason then this can lead to a double free when unloading amd-pmf. This is because dev-buf was freed but never set to NULL and is again...

CVE-2025-38421 platform/x86/amd: pmf: Use device managed allocations

In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd: pmf: Use device managed allocations If setting up smart PC fails for any reason then this can lead to a double free when unloading amd-pmf. This is because dev-buf was freed but never set to NULL and is again...

CVE-2025-38421

CVE-2025-38421 affects the Linux kernel’s amd-pmf code in platform/x86/amd, where a path that fails smart PC setup could lead to a double free of dev->buf during module removal. The root cause is a freed pointer that isn’t NULL’d, causing amd_pmf_remove() to free it again. The provided fixes c...