Kotsi (CVE-2022-1729) e khethiloe ka har'a kernel ea Linux, e lumellang mosebelisi oa lehae ho fumana mokhoa oa ho kena tsamaisong. Ho ba kotsing ho bakoa ke boemo ba morabe ka har'a perf subsystem, e ka sebelisoang ho qala ts'ebeliso ea morao-rao ea mahala sebakeng se seng se lokolotsoe sa kernel memory. Bothata esale bo hlaha ho tloha ha kernel 4.0-rc1 e lokolloa. Bokhoni ba ts'ebetso bo tiisitsoe bakeng sa ho lokolloa 5.4.193+.
Tokiso hajoale e fumaneha feela ka foromo ea patch. Kotsi ea ho ba kotsing e fokotsoa ke taba ea hore kaboho e mengata e thibela ho fihlella perf bakeng sa basebelisi ba hlokang. E le mokhoa oa ho sireletsa, o ka seta parameter ea sysctl kernel.perf_event_paranoid ho 3.
Source: opennet.ru