Talaadadii la soo dhaafay, Canonical tuuray noocyo cusub oo kernel ah oo loogu talagalay Ubuntu 19.04 iyo Ubuntu 18.04. In kasta oo qayb ka mid ah wixii loo sii daayay Bionic Beaver sidoo kale loo geeyay Xenial Xerus, nooca Ubuntu ee la sii daayay Abriil 2016 ma helin nooc gaar ah, illaa maantadan la joogo: shirkadda maamusha Mark Shuttleworth ayaa sidoo kale soo saartay a cusbooneysiinta kernel ee Ubuntu 16.04 si loo saxo wadarta lix qalad, mid ka mid ah laga soo bilaabo 2018 mana jiro mid aad u culus.
Si ka duwan noocyada la sii daayay 23, wixii shalay la sii daayay waxaa kaliya loo heli karaa dadka isticmaala Ubuntu 16.04, gaar ahaan kuwa ayaa wali isticmaalaya Linux 4.4 kernel. Isticmaalayaasha u cusbooneysiiyay nooca dambe ee Ubuntu ama jirkeeda ayaan saameyn ku yeelan. Waa tan waxa nooca cusub uu hagaajiyay.
Muxuu firirku hagaajiyaa sawirka Linux-4.4.0-157.185
- CVE-2018-20836: Xaalad jinsi ayaa la ogaaday inay ka jirto hirgelinta Serial Attached SCSI (SAS) ee ku jirta Linux kernel. Weeraryahan maxalli ah ayaa tan u adeegsan kara inuu ku diido adeeg (shil) ama fuliyo koodh aan macquul ahayn. Mudnaanta: hoose.
- CVE-2019-10142: Isku-darka isku-dhafan ee 'Integer overflow' ayaa laga helay maareeyaha hypervisor Freescale (PowerPC) qeybta hoose ee Linux. Weeraryahan maxalli ah oo leh qor helitaanka / dev / fsl-hv waxay u isticmaali kartaa tan inay sababto diidmo adeeg (shil) ama suurtagal ah in lagu fuliyo koodh aan sharci ahayn. Mudnaanta: aad u hooseeya, la dayaci karo.
- CVE-2019-11833: Waxaa la ogaaday in hirgelinta nidaamka faylasha 'ext4 files' ee kernel Linux ah si sax ah ugama dhigin xusuusta xaaladaha qaarkood. Weerar deegaanka ah waxaad u isticmaali kartaa tan inaad ku soo bandhigto macluumaadka xasaasiga ah (xusuusta kernel). Mudnaanta dhexe.
- CVE-2019-11884: Waxaa la ogaaday in hirgelinta borotokoolka HIDP (Habka Aadanaha Aadanaha) ee ku jira Linux kernel uusan si sax ah u baarin khadadka halka uu NULL ku dhammaaday xaaladaha qaarkood. Weeraryahan maxalli ah ayaa tan u adeegsan kara inuu kashifo macluumaadka xasaasiga ah (xusuusta kernel). Mudnaanta dhexe.
- CVE-2019-9503: Hugues Anguelkov wuxuu ogaaday darawalka Broadcom Wifi ee kernel si sax ah ugama hor istaagin dhacdooyinka firmware fog in la farsameeyo qalabka WiFi WiFi. Weeraryahan jidh ahaan aad ugu dhow ayaa tan u isticmaali kara eU dir dhacdooyinka qalabka firmware aaladda. Mudnaanta dhexe.
- CVE-2019-2054: Kernel-ka Linux ee processor-ka ARM ayaa la helay si loogu oggolaado geeddi-socodka raadraaca si wax looga beddelo syscall ka dib markii go'aanka loo yaqaan 'seccomp go'aan' laga gaadhay arrintaas syscall. Weeraryahan maxalli ah ayaa tan u adeegsan kara inuu ka gudbo xayiraadaha seccomp.
Nooca cusub ee kernel ee 'Xenial Xerus' waa sawirka Linux-4.4.0-157.185. Sida had iyo jeer, Canonical waxay dhiirrigelisaa dhammaan dadka isticmaala Ubuntu 16.04.x ee leh Linux 4.4 inay cusbooneysiiyaan sida ugu dhakhsaha badan.