RHSA-2020:5418: Moderate: kernel security and bug fix update
The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: information exposure in drivers/char/random.c and kernel/time/timer.c (CVE-2020-16166) 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.Bug Fix(es): [RHEL-8.3][arm64] CN99xx: DIMM errors not populated in EDAC sysfs (BZ#1857754) sctp: backports from upstream, 2nd phase (BZ#1878308) Backport upstream OVS performance patch fix (BZ#1879936) avoid flushbacklog IPI for isolated CPUs by configuring RPS cpumask (BZ#1883315) Unexpected fragmentation needed error, OpenShift 4, OVS, VXLAN, GSO, Azure (BZ#1885767) XFS: reflinked file data corruption (BZ#1886896) Scheduler: rq->tmpalonebranch != &rq->leafcfsrqlist (BZ#1890123) geneve: add transport ports in route lookup for geneve (BZ#1891819) BUG: using smpprocessorid() in preemptible [00000000] code: handler106/3082 (BZ#1893282) HRTICK not armed in specific cases with SCHEDDEADLINE (BZ#1894074) RHEL8.1 - ibmveth is producing TX errors over VXLAN when large send (TSO) is enabled (-> related to Red Hat bug 1816254 - OCP 4.3 - Authentication clusteroperator is in unknown state on POWER 9 servers") (BZ#1896300) RHEL8.2 - mm/gup: fix gupfast with dynamic page table folding (BZ#1896352) block layer: update to upstream v5.8 (BZ#1896788) [Regression] RHEL8.2 zstream - Undetected Data corruption in MPI workloads that use VSX for reductions on POWER9 DD2.1 systems (BZ#1897279) ARO: excessive pod memory allocation causes node lockup (BZ#1901549)
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2020:5418?
The severity of RHSA-2020:5418 is classified as moderate.
How do I fix RHSA-2020:5418?
To fix RHSA-2020:5418, update the kernel packages to version 4.18.0-193.37.1.el8_2.
What issues does RHSA-2020:5418 address?
RHSA-2020:5418 addresses information exposure vulnerabilities in drivers/char/random.c and kernel/time/timer.c.
Which systems are affected by RHSA-2020:5418?
RHSA-2020:5418 affects Red Hat Enterprise Linux 8 systems with specific kernel and related package versions.
Is a reboot required after applying the patch for RHSA-2020:5418?
Yes, a reboot is required after applying the patch for RHSA-2020:5418 to ensure the new kernel is loaded.