Ukuhlaziywa kweCanonical i-Ubuntu kernel kwakhona, kwakhona ngenxa yeempazamo zezokhuseleko

I-Canonical iphumeze uhlaziyo olutsha lwe-Ubuntu kernel. Olu luhlaziyo lwesithathu (unayo enye apha y aphakwisithuba esingaphantsi kweentsuku ezili-10 kwaye bonke bakhutshiwe ukulungisa iziphene ezahlukeneyo zokhuseleko. Inguqulelo entsha ilungisa ukuya kuthi ga kwisithathu, ichaphazela bonke Ubuntu 19.04 Disco Dingo, uguqulelo lwamva nje oluzinzileyo lwenkqubo yokusebenza ephuhliswe yiCanonical. Ngubani ofumene ababini kubo kwakhona nguJonathan Looney.

Inguqulelo entsha, esele ikhona kwindawo yokugcina esemthethweni Ubuntu, yile I-Linux 5.0.0-20.21 kunye nohlaziyo lubhalwe ngokungxamisekileyo okuphakathi. Into ekhoyo ngoku kukuhlaziywa okuqhelekileyo, enye yezinto zobomi bonke, oko kukuthi, ezifuna ukuqala kwakhona ukuze ukhuseleko luqale ukusebenza. Iibhugi eziLinux 5.0.0-20.21 fixes zezi 1831638, I-CVE-2019-11479 y I-CVE-2019-11478.

Yiyo le nto i-Ubuntu kernel ihlaziya ngokutsha

• Bug 1831638: Ukukhanyelwa kude kwenkonzo (ukudinwa kwemithombo) okubangelwa kukuphazamisa ibhodi yamanqaku ye-TCP SACK.
• I-CVE-2019-11479: ifunyenwe nguJonathan Looney, ivumela intanga ekude ukuba iqhekeze imigca yokuhambisa i-TCP ngokubaluleke kakhulu kunokuba kusetyenziswe iMSS enkulu.
• I-CVE-2019-11478: ifunyenwe nguLooney, uUmhlaseli okude unokusebenzisa oku ukwenza ukuba inkonzo ingavunyelwa.

Njengamaxesha onke xa kukhutshwa uhlaziyo lokhuseleko, I-Canonical icebisa ukuvuselelwa ngokukhawuleza. Amaxesha amaninzi akufuneki ukuba uphume ngaphandle kodwa, kuthathelwa ingqalelo ukuba ezimbini zeebugs zinokusetyenziswa gwenxa kwaye nokuba kubiza malini ukufaka uhlaziyo, kufanelekile ukulihlaziya kwakamsinya xa sihleli phambi kwekhompyuter.

Njengoko besitshilo ngaphambili, Olu hlaziyo luya kusetyenziswa ngokupheleleyo emva kokufaka kunye nokuqalisa kwakhona ikhompyuter. Akugwetyelwanga ukuba iCanonical ikhuphe iinguqulelo ezihlaziyiweyo zeKernel Ubuntu 18.10, 18.04 kunye 16.04. Ukuba kunjalo, kunokwenzeka ukuba kwiintsuku ezimbalwa uguqulelo lwePatch Patch ye-Ubuntu 18.04 kunye ne-Ubuntu 16.04 iya kukhutshwa. Ngayiphi na imeko, jonga ukuba kukho uhlaziyo olukhoyo kwaye ulufake ngokukhawuleza.