AXSA:2021-2410:19

The kernel packages contain the Linux kernel, the core of any Linux operating
system.

Security Fix(es):

kernel: out-of-bounds write in xt_compat_target_from_user() in
net/netfilter/x_tables.c (CVE-2021-22555)
kernel: race condition for removal of the HCI controller (CVE-2021-32399)
kernel: powerpc: RTAS calls can be used to compromise kernel integrity
(CVE-2020-27777)
kernel: Local privilege escalation due to incorrect BPF JIT branch
displacement computation (CVE-2021-29154)
kernel: lack a full memory barrier upon the assignment of a new table value
in net/netfilter/x_tables.c and include/linux/netfilter/x_tables.h may lead to
DoS (CVE-2021-29650)

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.

CVE(s):
CVE-2021-22555
CVE-2021-32399
CVE-2020-27777
CVE-2021-29154
CVE-2021-29650

Bug Fix(es):

SAN Switch rebooted and caused (?) OpenStack compute node to reboot
sysfs: cannot create duplicate filename '/class/mdio_bus/ixgbe-8100
XFS: read-only recovery does not update free space accounting in superblock
The memcg_params field of kmem_cache struct contains an old slab address
that is to small for the current size of memcg_limited_groups_array_size.
Backport of upstream patch "net: Update window_clamp if SOCK_RCVBUF is set "
into Asianux
Kernel panic in init_cq_frag_buf
futex: futex_requeue can potentially free the pi_state structure twice
be_poll lockup doing ifenslave when netconsole using bond
OCP4.7 nodes panic at BUG_ON in nf_nat_setup_info()