RHSA-2020:5418: Moderate: kernel security and bug fix update

First published: Tue Dec 15 2020(Updated: )

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: information exposure in drivers/char/random.c and kernel/time/timer.c (CVE-2020-16166)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.<br>Bug Fix(es):<br><li> [RHEL-8.3][arm64] CN99xx: DIMM errors not populated in EDAC sysfs (BZ#1857754)</li> <li> sctp: backports from upstream, 2nd phase (BZ#1878308)</li> <li> Backport upstream OVS performance patch fix (BZ#1879936)</li> <li> avoid flush_backlog IPI for isolated CPUs by configuring RPS cpumask (BZ#1883315)</li> <li> Unexpected fragmentation needed error, OpenShift 4, OVS, VXLAN, GSO, Azure (BZ#1885767)</li> <li> XFS: reflinked file data corruption (BZ#1886896)</li> <li> Scheduler: rq-&gt;tmp_alone_branch != &amp;rq-&gt;leaf_cfs_rq_list (BZ#1890123)</li> <li> geneve: add transport ports in route lookup for geneve (BZ#1891819)</li> <li> BUG: using smp_processor_id() in preemptible [00000000] code: handler106/3082 (BZ#1893282)</li> <li> HRTICK not armed in specific cases with SCHED_DEADLINE (BZ#1894074)</li> <li> RHEL8.1 - ibmveth is producing TX errors over VXLAN when large send (TSO) is enabled (-&gt; related to Red Hat bug 1816254 - OCP 4.3 - Authentication clusteroperator is in unknown state on POWER 9 servers") (BZ#1896300)</li> <li> RHEL8.2 - mm/gup: fix gup_fast with dynamic page table folding (BZ#1896352)</li> <li> block layer: update to upstream v5.8 (BZ#1896788)</li> <li> [Regression] RHEL8.2 zstream - Undetected Data corruption in MPI workloads that use VSX for reductions on POWER9 DD2.1 systems (BZ#1897279)</li> <li> ARO: excessive pod memory allocation causes node lockup (BZ#1901549)</li>

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