Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nfnetlinkqueue: acquire rcureadlock in instanceDestroyrcu syzbot reported that nfreinject could be called without rcureadlock: WARNING: suspicious RCU usage 6.9.0-rc7-syzkaller-02060-g5c1672705a1a 0 Not tainted...

kernel: netfilter: nfnetlink_queue: acquire rcu_read_lock() in instance_destroy_rcu()

A flaw was found in the Linux kernel's netfilter component, specifically within the nfnetlinkqueue module. A local attacker with low privileges could trigger a race condition by calling nfreinject without the required rcureadlock in the instancedestroyrcu function. This could lead to suspicious R...