CVE-2025-38272 net: dsa: b53: do not enable EEE on bcm63xx

In the Linux kernel, the following vulnerability has been resolved: net: dsa: b53: do not enable EEE on bcm63xx BCM63xx internal switches do not support EEE, but provide multiple RGMII ports where external PHYs may be connected. If one of these PHYs are EEE capable, we may try to enable EEE for t...

CVE-2025-38272

CVE-2025-38272 : In the Linux kernel, the bcm63xx DSA switch could attempt to enable EEE on external PHYs connected to multiple RGMII ports, causing a system hang when accessing non-existent EEE registers. The fix is to gate EEE configuration by actually checking switch support before enabling it...