Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

hw: Machine Check Error on Page Size Change (IFU)

A flaw was found in the way Intel CPUs handle inconsistency between, virtual to physical memory address translations in CPU's local cache and system software's Paging structure entries. A privileged guest user may use this flaw to induce a hardware Machine Check Error on the host processor,...

Important: Red Hat Security Advisory: redhat-release-virtualization-host and redhat-virtualization-host update

An update for redhat-release-virtualization-host and redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 and Red Hat Virtualization 4.2 for Red Hat Enterprise Linux 7.6 EUS. Red Hat Product Security has rated this update as having a security...

x86: Machine Check Error on Page Size Change DoS

ISSUE DESCRIPTION An erratum exists across some CPUs whereby an instruction fetch may cause a machine check error if the pagetables have been updated in a specific manner without invalidating the TLB. The x86 architecture explicitly permits modification of the pagetables without TLB invalidation,...

kernel security and bug fix update

kernel-2.4.21-57.0.0.0.1.EL - add directio support for qla drivers herb ora 6346849 - support PT Quad card ora 5751043 - ora 5088963: io to nfs partition hangs - add entropy for bnx2 nic ora 5931647 - avoid large allocation-fragmentation in MTU zab - fix clear highpage wli kernel-2.4.21-57.EL -...