NetSight
high7.8

CVE-2024-27396

In the Linux kernel, the following vulnerability has been resolved: net: gtp: Fix Use-After-Free in gtp_dellink Since call_rcu, which is called in the hlist_fo…

Impact

In the Linux kernel, the following vulnerability has been resolved: net: gtp: Fix Use-After-Free in gtp_dellink Since call_rcu, which is called in the hlist_for_each_entry_rcu traversal of gtp_dellink, is not part of the RCU read critical section, it is possible that the RCU grace period will pass during the traversal and the key will be free. To prevent this, it should be changed to hlist_for_each_entry_safe.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 4.14.162 before 4.15
from 4.19.93 before 4.19.313
from 5.4.8 before 5.4.275
from 5.5 before 5.10.216
from 5.11 before 5.15.158
from 5.16 before 6.1.90
DebianDebian Linux
Version 10.0

Weakness classification

References