Red Hat Enterprise Linux 8.2 RHSA-2021:0765-01 Important Security Alerts

The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: bad kfree in auditfilter.c may lead to escalation of privilege (CVE-2020-0444)
* kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c (CVE-2020-25211)
* kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free (CVE-2020-29661)
* kernel: performance counters race condition use-after-free (CVE-2020-14351)
* kernel: ICMP rate limiting can be used for DNS poisoning attack (CVE-2020-25705)
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):
* RHEL8.1 - net/smc: fix silent data corruption in SMC (BZ#1882241)
* [mlx5] VF interface stats are not reflected in "ip -s link show" / "ifconfig " commands (BZ#1889301)
* [mlx5] IPV6 TOS rewrite flows are not getting offloaded in HW (BZ#1897689)
* RHEL 8.1 - Call traces show I/O stuck for more than 120 sec when at least one path is available for NVMe/IB (BZ#1901525)
* RHEL8: kernel-rt: kernel BUG at kernel/sched/deadline.c:1462! (BZ#1908732)
* [Hyper-V][RHEL-8] Request to included a commit that adds a timeout to vmbus_wait_for_unload (BZ#1913529)
* Host becomes unresponsive during stress-ng --cyclic test rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: (BZ#1913965)
* race condition when creating child sockets from syncookies (BZ#1915530)
* Missing mm backport to fix regression introduced by another mm backport (BZ#1915815)
* On System Z, a hash needs state randomized for entropy extraction (BZ#1915817)
* [Hyper-V][RHEL-8]video: hyperv_fb: Fix the cache type when mapping the VRAM Edit (BZ#1917712)
* kvm-rhel8.3 [AMD] - system crash observed while powering on virtual machine with attached VF interfaces. (BZ#1919886)
* [CKI kernel builds]: x86 binaries in non-x86 kernel rpms breaks systemtap (BZ#1929909)
* rpmbuild cannot build the userspace RPMs in the kernel package when the kernel itself is not built (BZ#1929911)
Enhancement(s):
* [Mellanox 8.4 FEAT] mlx5: Add messages when VF-LAG fails to start (BZ#1892345)
* Add kernel option to change cpumask for kernel threads (BZ#1915344)