kernel: ipv4: ip_tunnel: Fix suspicious RCU usage warning in ip_tunnel_init_flow()

A flaw was found in the Linux kernel's IPv4 tunneling subsystem. Certain code paths during tunnel initialization traverse network device lists without holding the required Read-Copy-Update RCU read lock. A local user could exploit this flaw while configuring network interfaces, potentially leadin...

UBUNTU-CVE-2024-53042

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: Fix suspicious RCU usage warning in iptunnelinitflow There are code paths from which the function is called without holding the RCU read lock, resulting in a suspicious RCU usage warning 1. Fix by using...