CVE-2025-68759 – wifi: rtl818x: Fix potential memory leaks in rtl8180_init_rx_ring()

CVE ID : CVE-2025-68759

Published : Jan. 5, 2026, 9:32 a.m. | 53 minutes ago

Description : In the Linux kernel, the following vulnerability has been resolved:

wifi: rtl818x: Fix potential memory leaks in rtl8180_init_rx_ring()

In rtl8180_init_rx_ring(), memory is allocated for skb packets and DMA
allocations in a loop. When an allocation fails, the previously
successful allocations are not freed on exit.

Fix that by jumping to err_free_rings label on error, which calls
rtl8180_free_rx_ring() to free the allocations. Remove the free of
rx_ring in rtl8180_init_rx_ring() error path, and set the freed
priv->rx_buf entry to null, to avoid double free.

Severity: 0.0 | NA

Visit the link for more details, such as CVSS details, affected products, timeline, and more…