CVE-2023-54320
Unknown
Unknown - Not Provided
Memory Leak in Linux Kernel AMD PMC Debugfs Component
Publication date: 2025-12-30
Last updated on: 2025-12-30
Assigner: kernel.org
Description
Description
In the Linux kernel, the following vulnerability has been resolved:
platform/x86/amd: pmc: Fix memory leak in amd_pmc_stb_debugfs_open_v2()
Function amd_pmc_stb_debugfs_open_v2() may be called when the STB
debug mechanism enabled.
When amd_pmc_send_cmd() fails, the 'buf' needs to be released.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | * |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a memory leak in the Linux kernel's amd_pmc_stb_debugfs_open_v2() function related to the platform/x86/amd code. Specifically, when the amd_pmc_send_cmd() function fails, the buffer ('buf') that was allocated is not properly released, causing a memory leak when the STB debug mechanism is enabled.
How can this vulnerability impact me? :
The memory leak caused by this vulnerability can lead to increased memory usage over time, potentially degrading system performance or causing instability if the leaked memory accumulates significantly.
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