Kusagadzikana (CVE-2022-1729) kwaonekwa muLinux kernel, zvichibvumira mushandisi wepanzvimbo kuwana midzi yekuwana sisitimu. Kusagadzikana kunokonzerwa nemamiriro emujaho mune perf subsystem, iyo inogona kushandiswa kutanga kushandiswa-mushure-kwemahara kuwana kune yakatosunungurwa nzvimbo yekernel memory. Dambudziko rave kuoneka kubva pakaburitswa kernel 4.0-rc1. Kugona kushanda kwakasimbiswa kune zvaburitswa 5.4.193+.
Iyo gadziriso iripo chete mune chigamba fomu. Ngozi yekusagadzikana inodzikiswa nenyaya yekuti kugovera kwakawanda nekusarudzika kunorambidza kupinda kune perf yevashandisi vasina rombo. Sechishandiso chekudzivirira, unogona kuseta sysctl parameter kernel.perf_event_paranoid ku3.
Source: opennet.ru