Description
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
- Linux / Linuxeeb74a9d45f781ec6f47b9e0a75a6a427b53f165 – 52b8f5ef82c886f7cd24617915e4b1579ddfd001
- Linux / Linuxeeb74a9d45f781ec6f47b9e0a75a6a427b53f165 – bff309ea51f1395c1ef8be8b75ce62d28a319113
- Linux / Linuxeeb74a9d45f781ec6f47b9e0a75a6a427b53f165 – 71de0177b28da751f407581a4515cf4d762f6296
- Linux / Linux2.6.33 – 2.6.33
- Linux / Linux0 – 2.6.33
- Linux / Linux6.18.36 – 6.18.*
- Linux / Linux7.0.13 – 7.0.*
- Linux / Linux7.1 – *