NetSight
high7.8

CVE-2026-53157

In the Linux kernel, the following vulnerability has been resolved: net: phonet: free phonet_device after RCU grace period phonet_device_destroy() removes a ph…

Impact

In the Linux kernel, the following vulnerability has been resolved: net: phonet: free phonet_device after RCU grace period phonet_device_destroy() removes a phonet_device from the per-net device list with list_del_rcu(), but frees it immediately. RCU readers walking the same list can still hold a pointer to the object after it has been removed, leading to a slab-use-after-free. Use kfree_rcu(), matching the lifetime rule already used by phonet_address_del() for the same object type.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 2.6.33 before 5.10.260
from 5.11 before 5.15.211
from 5.16 before 6.1.177
from 6.2 before 6.6.144
from 6.7 before 6.12.95
from 6.13 before 6.18.36

Weakness classification

References