CentOS: Security Advisory for bpftool (CESA-2021:3327)

The remote host is missing an update for the 'bpftool' package(s) announced via the CESA-2021:3327 advisory.

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. Bug Fix(es): * SAN Switch rebooted and caused (?) OpenStack compute node to reboot (BZ#1897576) * sysfs: cannot create duplicate filename '/class/mdio_bus/ixgbe-8100 (BZ#1915449) * XFS: read-only recovery does not update free space accounting in superblock (BZ#1921551) * 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. (BZ#1951810) * Backport of upstream patch 'net: Update window_clamp if SOCK_RCVBUF is set ' into rhel-7 (BZ#1962196) * Kernel panic in init_cq_frag_buf (BZ#1962499) * futex: futex_requeue can potentially free the pi_state structure twice (BZ#1966856) * be_poll lockup doing ifenslave when netconsole using bond (BZ#1971744) * OCP4.7 nodes panic at BUG_ON in nf_nat_setup_info() (BZ#1972970)

'bpftool' package(s) on CentOS 7.

Checks if a vulnerable package version is present on the target host.

Please install the updated package(s).