[LU-13812] kernel update [RHEL8.2 4.18.0-193.13.2.el8_2]

Related — Wed, 29 Jul 2020 23:33:22 +0000

An update for kernel is now available for Red Hat Enterprise Linux 8.2.

Security Fix(es):

kernel: use-after-free in sound/core/timer.c (CVE-2019-19807)
kernel: kernel: DAX hugepages not considered during mremap (CVE-2020-10757)
kernel: Rogue cross-process SSBD shutdown. Linux scheduler logical bug allows an attacker to turn off the SSBD protection. (CVE-2020-10766)
kernel: Indirect Branch Prediction Barrier is force-disabled when STIBP is unavailable or enhanced IBRS is available. (CVE-2020-10767)
kernel: Indirect branch speculation can be enabled after it was force-disabled by the PR_SPEC_FORCE_DISABLE prctl command. (CVE-2020-10768)
kernel: buffer overflow in mwifiex_cmd_append_vsie_tlv function in drivers/net/wireless/marvell/mwifiex/scan.c (CVE-2020-12653)
kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c (CVE-2020-12654)
Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario (CVE-2020-12888)
kernel: kvm: Information leak within a KVM guest (CVE-2019-3016)

Bug Fix(es):

[FJ8.2 Bug]: kernel: retrieving process core dump of the init process (PID 1) fails (BZ#1821378)
[FJ8.0 Bug]: System hungs up after setting parameters for hugepages (BZ#1835789)
RHEL8.2 Alpha - ISST-LTE:PowerVM: vNIC DLPAR crashes the LPAR (ibmvnic) (BZ#1836229)
"[sig-network] Services should be rejected when no endpoints exist" test fails frequently on RHEL8 nodes (BZ#1836302)
RHEL8.2 Beta - RHEL8.2 reports EEH errors on internal SAS adapter during HTX run on PMEM (SCM/pmem) (BZ#1842406)
RHEL8.1 - s390/cio: fix virtio-ccw DMA without PV (BZ#1842620)
deadlock between modprobe and netns exit (BZ#1845164)
exit_boot failed when install RHEL8.1 (BZ#1846180)
http request is taking more time for endpoint running on different host via nodeport service (BZ#1847128)
RHEL8.1 - zEDC problems on z14 (genwqe/pci) (BZ#1847453)
WARNING: CPU: 1 PID: 0 at arch/x86/kernel/apic/vector.c:846 free_moved_vector+0x141/0x150 (BZ#1848545)
Backport conntrack race condition fixes (BZ#1851003)
nf_conntrack module unload fail and refcount become to negative (BZ#1851005)
OVS: backport performance patches from upstream to 8.2z (BZ#1851235)
RHEL8.3: backport "smp: Allow smp_call_function_single_async() to insert locked csd" (BZ#1851406)
[DELL EMC 8.2 BUG] NVMe drive is not detected after multiple hotplug (hot add + surprise remove) operations (BZ#1852045)

Enhancement(s):

Whamcloud Community JIRA