On 18Jan04:1754+0000, David L. Craig wrote: > > According to this article published by Red Hat, you cannot. > > : Red Hat has been made aware of multiple microarchitectural > : (hardware) implementation issues affecting many modern > : microprocessors, requiring updates to the Linux kernel, > : virtualization-related components, and/or in combination > : with a microcode update. An unprivileged attacker can use > : these flaws to bypass conventional memory security > : restrictions in order to gain read access to privileged > : memory that would otherwise be inaccessible. There are 3 > : known CVEs related to this issue in combination with Intel, > : AMD, and ARM architectures. Additional exploits for other > : architectures are also known to exist. These include IBM > : System Z, POWER8 (Big Endian and Little Endian), and > : POWER9 (Little Endian). > > https://access.redhat.com/security/vulnerabilities/speculativeexecution?sc_cid=7016000000127NJAAY
They have also published clear updates for Z kernel components: https://access.redhat.com/errata/RHSA-2018:0011 -- <not cent from sell> May the LORD God bless you exceedingly abundantly! Dave_Craig______________________________________________ "So the universe is not quite as you thought it was. You'd better rearrange your beliefs, then. Because you certainly can't rearrange the universe." __--from_Nightfall_by_Asimov/Silverberg_________________ ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
