LSN-0102-1: Kernel Live Patch Security Notice

It was discovered that a race condition existed in the io_uring subsystem
in the Linux kernel, leading to a use-after-free vulnerability. A local
attacker could use this to cause a denial of service (system crash) or
possibly execute arbitrary code.(CVE-2023-1872)

Lonial Con discovered that the netfilter subsystem in the Linux kernel
contained a memory leak when handling certain element flush operations. A
local attacker could use this to expose sensitive information (kernel
memory).(CVE-2023-4569)

It was discovered that the TLS subsystem …

arbitrary code attacker code con crash cve denial of service free io_uring kernel linux linux kernel live local memory netfilter notice patch race race condition security security notice service subsystem system use-after-free vulnerability