RHEL 8 : kpatch-patch (RHSA-2023:4888)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:4888 advisory. This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel...

The vulnerability of the nft_set_lookup_global() function in the Netfilter subsystem of Linux operating systems allows a hacker to increase their privileges and cause a service failure.

The vulnerability of the nftsetlookupglobal function in the Netfilter subsystem of Linux operating systems is related to the use of memory after it is freed during packet processing. Exploiting this vulnerability can allow an attacker to enhance their privileges and cause service interruptions...