Ubuntu 23.10 USN-6454-3 Critical: Kernel Denial Of Service Issues

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 Summary: Several security issues were fixed in the Linux kernel. Software Description: - linux-laptop: Linux kernel for Lenovo X13s ARM laptops Details: Kyle Zeng discovered that the netfilter subsystem in the Linux kernel contained a race condition in IP set operations in certain situations. A local attacker could use this to cause a denial of service (system crash). (CVE-2023-42756) Alex Birnberg discovered that the netfilter subsystem in the Linux kernel did not properly validate register length, leading to an out-of- bounds write vulnerability. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2023-4881) It was discovered that the Quick Fair Queueing scheduler implementation in the Linux kernel did not properly handle network packets in certain conditions, leading to a use after free vulnerability. A local attacker cou...