Acknowledged
Created: Apr 28, 2026
Updated: Apr 30, 2026
Found In Version: 10.21.20.27
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Userspace
A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the host resulting in DoS scenario.
https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg07431.html
