[LU-13657] kernel update [RHEL8.2 4.18.0-193.6.3.el8_2]

Related — Tue, 21 Jul 2020 18:22:50 +0000

Security Fix(es):

kernel: use-after-free in block/bfq-iosched.c related to bfq_idle_slice_timer_body (CVE-2020-12657)

Bug Fix(es):

kernel: hw: provide reporting and microcode mitigation toggle for CVE-2020-0543 / Special Register Buffer Data Sampling (SRBDS) (BZ#1827191)
ipsec interfaces: fix sending with bpf_redirect() / AF_PACKET sockets (BZ#1821375)
IB/core: deadlock on rdma_nl_mutex when netlink triggers on-demand modprobe rdma_cm (BZ#1821381)
dm: fix excessive bio splitting that results in performance regressions (BZ#1821382)
system time jumps when hotplug vcpu on a long uptime guest (BZ#1822498)
[DELL 8.2 BUG]Ethernet : e1000e doesn't work after S2I (BZ#1825262)
NFSv3 sec=krb5p fails against an ONTAP server (BZ#1826219)
Stand-alone CPU Linpack test reports bad residual on HPC Cluster node(s) while running RHEL 8 (BZ#1827619)
[DELL 8.2 BUG]bluetooth Scanning block S3 and Suspend to idle (BZ#1827620)
RHEL8.2 Beta - SMC-R connection with vlan-id fails (BZ#1827631)
RHEL8.1 - RHEL8.1 kernel 4.18.0-147.3.1.el8.bz181950_test001.ppc64le+debug failed during LPM test (p8/p9):idahop08:LPM (vtpm) (BZ#1827632)
missing version.h dependency for modpost may cause build to fail (BZ#1828229)
efi: kernel panic during ltp fs test - read_all -d /sys -q -r 10 (BZ#1829527)
Let "isolcpus=" skip unknown sub-parameters (BZ#1832367)
RHEL8.0 - Very bad performance with small blocks in FC-IO found by SAP HANA on POWER tests on RHEL8.0 (compared to RHEL7.4) (BZ#1834517)
[FJ8.2 Bug]: [REG] NFS-client panic at nfs4_get_valid_delegation+0x1c/0x40 [nfsv4] (BZ#1837969)
[RHEL-8.3] upstream bonding driver refresh (BZ#1838477)
Enable xt_u32 module (BZ#1840799)
Move xt_u32 module to kernel-modules-extra (BZ#1840800)

Full details and references:
https://access.redhat.com/errata/RHSA-2020:2427?sc_cid=701600000006NHXAA2

Whamcloud Community JIRA

[LU-13657] kernel update [RHEL8.2 4.18.0-193.6.3.el8_2]