CVE-2025-61553
BaseFortify
Publication date: 2025-10-16
Last updated on: 2025-10-21
Assigner: MITRE
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| bitvisor | bitvisor | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-122 | A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). |
| 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 is an out-of-bounds write (heap overflow) in the VirtIO network device emulation within the BitVisor hypervisor. It occurs when a local attacker performs a crafted PCI configuration space access, leading to memory corruption in the hypervisor.
How can this vulnerability impact me? :
Exploitation of this vulnerability can cause a denial of service by crashing the host hypervisor. Additionally, because it is a heap overflow in a privileged context, it may allow an attacker to execute arbitrary code or escalate privileges from a guest virtual machine to the host hypervisor.