CVE-2026-31419

In the Linux kernel, the following vulnerability has been resolved: net: bonding: fix use-after-free in bondxmitbroadcast bondxmitbroadcast reuses the original skb for the last slave determined by bondislastslave and clones it for others. Concurrent slave enslave/release can mutate the slave list...

CVE-2026-31419 net: bonding: fix use-after-free in bond_xmit_broadcast()

In the Linux kernel, the following vulnerability has been resolved: net: bonding: fix use-after-free in bondxmitbroadcast bondxmitbroadcast reuses the original skb for the last slave determined by bondislastslave and clones it for others. Concurrent slave enslave/release can mutate the slave list...

CVE-2026-31419

Summary of CVE-2026-31419 : A use-after-free in the Linux kernel bonding driver is caused by a race in bond_xmit_broadcast() where the last slave determination can change during RCUs, leading to double-free of the original skb and a potential crash. The fix replaces the racy bond_is_last_slave() ...