Bug 2348580 (CVE-2025-21780)

Summary: CVE-2025-21780 kernel: drm/amdgpu: avoid buffer overflow attach in smu_sys_set_pp_table()
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Priority: high    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
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Hardware: All   
OS: Linux   
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Description OSIDB Bzimport 2025-02-27 03:03:57 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu: avoid buffer overflow attach in smu_sys_set_pp_table()

It malicious user provides a small pptable through sysfs and then
a bigger pptable, it may cause buffer overflow attack in function
smu_sys_set_pp_table().
Comment 1 Michal Findra 2025-02-27 18:30:21 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022607-CVE-2025-21780-8283@gregkh/T