A race condition Use-After-Free vulnerability exists in the virtio_transport_space_update function within the Kernel 5.4 on ChromeOS. Concurrent allocation and freeing of the virtio_vsock_sock structure
during an AF_VSOCK connect syscall can occur before a worker thread accesses it resulting in a dangling pointer and potential kernel code execution.
CVE ID: CVE-2025-1290
Vendor: Google
Product: ChromeOS
EPSS Score: 0.03% (probability of being exploited)
EPSS Percentile: 5.5% (scored less or equal to compared to others)
EPSS Date: 2025-04-18 (when was this score calculated)