CVE-2026-64462
Description
A flaw was found in the Linux kernel's PCI Altera driver. When the driver fails to initialize properly, it can leave interrupt handlers and related resources active with outdated information. This resource leak and stale data pointer can lead to system instability or a denial of service, where the system becomes unresponsive or crashes.
Understanding the Weakness (CWE)
Confidentiality
Technical Impact: Read Memory
If the expired pointer is used in a read operation, an attacker might be able to control data read in by the application.
Availability
Technical Impact: DoS: Crash, Exit, or Restart
If the expired pointer references a memory location that is not accessible to the product, or points to a location that is "malformed" (such as NULL) or larger than expected by a read or write operation, then a crash may occur.
Integrity,Confidentiality,Availability
Technical Impact: Execute Unauthorized Code or Commands
If the expired pointer is used in a function call, or points to unexpected data in a write operation, then code execution may be possible.
Frequently Asked Questions
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