CVE-2025-62863
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-12-16
Last updated on: 2025-12-17
Assigner: MITRE
Description
Description
Ampere AmpereOne AC03 devices before 3.5.9.3, AmpereOne AC04 devices before 4.4.5.2, and AmpereOne M devices before 5.4.5.1 allow an incorrectly formed SMC call to UEFI-MM PCIe driver that could result in an out-of-bounds write within PCIe driver’s S-EL0 address space.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| ampere | ampereone_m | * |
| ampere | ampereone_ac04 | * |
| ampere | ampereone_ac03 | * |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-787 | The product writes data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in certain Ampere AmpereOne devices where an incorrectly formed SMC (Secure Monitor Call) to the UEFI-MM PCIe driver can cause an out-of-bounds write within the PCIe driver's S-EL0 address space. This means that improper input to the PCIe driver can lead to memory corruption.
How can this vulnerability impact me? :
The vulnerability could lead to memory corruption in the PCIe driver, which may result in system instability, crashes, or potentially allow an attacker to execute arbitrary code or escalate privileges on affected devices.
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