RHSA-2021:4056: Important: kernel security, bug fix, and enhancement update

First published: Tue Nov 02 2021(Updated: )

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free (CVE-2020-36385)</li> <li> kernel: out-of-bounds write due to a heap buffer overflow in __hidinput_change_resolution_multipliers() of hid-input.c (CVE-2021-0512)</li> <li> kernel: SVM nested virtualization issue in KVM (VMLOAD/VMSAVE) (CVE-2021-3656)</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> [HPE 8.3 bug] No EDAC MC0 message with one-DIMM two-processor configuration under RHEL8.3 (BZ#1982182)</li> <li> mlx: devlink port function shows all zero hw_addr (BZ#1986837)</li> <li> net/sched: act_mirred: allow saving the last chain processed on xmit path (BZ#1992230)</li> <li> RHEL8.3 - System hang and / or r/o fs during SVC/v5k/v7k maintenance with ibmvfc (BZ#1993892)</li> <li> RHEL8.1 Snapshot3 - PVT:940:virt:4TB:LPM operation failed by returning HSCLA2CF, HSCL365C SRC's - Linux partition suspend timeout (-&gt; documentation/Linux Alert through LTC bug 182549) (BZ#1993952)</li> <li> RHEL8.4 - benchTableRepDMLAsyncBarrier regresses by 34% on RHEL8.4 on POWER9 compared to RHEL8.2 (performance) (BZ#1997431)</li> <li> [panic] call trace: ice_probe+0x238/0x10f0 [ice] (BZ#1997539)</li> <li> [ice, PTP] ice: fix GPIO 1PPS signal (BZ#1997572)</li> <li> Fix locality handling in the tpm_tis driver (BZ#1998219)</li> <li> [ice, PTP]: fix Tx queue iteration for Tx timestamp enablement (BZ#2000128)</li> <li> PCI passthrough with NVidia GPU "Invalid device 0003:01:00.0 iommu_group file /sys/bus/pci/devices/0003:01:00.0/iommu_group is not a symlink" (BZ#2000602)</li> <li> [DELL 8.4 BUG] - System Hangs at Dell Logo When Boot to OS(e1000e with wrong GbE checksum) (BZ#2002335)</li> <li> RHEL8.4 - kernel: Fix hanging ioctl caused by wrong msg counter (BZ#2002635)</li> <li> kernel: get_timespec64 does not ignore padding in compat syscalls (BZ#2003569)</li> <li> [mlx5] eth0: hw csum failure (BZ#2005980)</li> <li> xlog_grant_head_wait() does not return and system hangs (BZ#2007413)</li> <li> panic while breaking a lease/delegation after user mode helper invocation (BZ#2010331)</li> <li> Lockd invalid cast to nlm_lockowner (BZ#2010820)</li> <li> [xfstests generic/388] XFS: Assertion failed: 0, file: fs/xfs/xfs_mount.c, line: 1218 (BZ#2011919)</li> Enhancement(s):<br><li> [Intel 8.5 FEAT] ice: Enable PTP Support (BZ#1998220)</li> <li> [Intel 8.5 FEAT] ice: Enable GPIO/SDP Support (BZ#1998221)</li>

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