CVE-2025-21831

CVE-2025-21831 covers a Linux kernel PCI issue: on some TUXEDO Sirius Gen1 systems, a BIOS-specific wakeup failure caused suspend-time root-port D3hot entry. Root cause is a policy change from commit 9d26d3a8f1b0 that allowed all PCIe ports to enter D3, which could hang on resume for the affected...