| Descripción: | Summary:
The remote host is missing an update for the 'bpftool'
package(s) announced via the CESA-2020:5437 advisory.
Vulnerability Insight:
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* kernel: metadata validator in XFS may cause an inode with a valid,
user-creatable extended attribute to be flagged as corrupt (CVE-2020-14385)
* kernel: The flow_dissector feature allows device tracking
(CVE-2019-18282)
* kernel: Buffer over-read in crypto_authenc_extractkeys() when a payload
longer than 4 bytes is not aligned. (CVE-2020-10769)
* kernel: buffer uses out of index in ext3/4 filesystem (CVE-2020-14314)
* kernel: umask not applied on filesystem without ACL support
(CVE-2020-24394)
* kernel: TOCTOU mismatch in the NFS client code (CVE-2020-25212)
* kernel: improper input validation in ppp_cp_parse_cr function leads to
memory corruption and read overflow (CVE-2020-25643)
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):
* WARNING in set_restore_sigmask at
./arch/x86/include/asm/thread_info.h:298 sigsuspend+0x6d/0x70 (BZ#1704650)
* [i40e] VFs see other VF's outgoing traffic (BZ#1845677)
* [Hyper-V][RHEL7] Two fixes for kdump over network (BZ#1846667)
* Loop in __run_timers() because base->timer_jiffies is very far behind
causes a lockup condition. (BZ#1849716)
* XFS transaction overrun when running docker on VMWARE (overlay fs)
(BZ#1857203)
* RHEL 7.9 NVMe/IB - Host crash encountered during array upgrade
(BZ#1857397)
* False positive hard lockup detected while disabling the hard lockup
detector via sysctl -w kernel.watchdog=0 (BZ#1860661)
* [Hyper-V][RHEL-7] Only notify Hyper-V for die events that are oops
(BZ#1868130)
* Linux kernel crash due to openvswitch module (BZ#1869190)
* 'nodfs' option not working when using SMB2+ (BZ#1873033)
* RHEL7.7 zstream - ESS - kernel panic triggered by freelist pointer
corruption (BZ#1873189)
* destroy_cfs_bandwidth() is called by free_fair_sched_group() without
calling init_cfs_bandwidth() (BZ#1878000)
* NULL pointer at nvme_rdma_setup_ctrl+0x1c2/0x8d0 [nvme_rdma] when
discover E5700 (BZ#1878950)
* IB Infiniband RDMA mlx5_ib is freeing a kmalloc-512 cache that it does
not own causing memory corruption. (BZ#1880184)
* [Azure][RHEL7] Two Patches Needed To Enable Azure Host Time-syncing in
VMs (BZ#1884735)
* connect AF_UNSPEC on a connecting AF_INET6 socket returns an error
(BZ#1886305)
* Rebuilding the grub with the CPU flag 'avx' disabled (clearcpuid=156)
triggers kernel panic in xor_avx_2() (BZ#1886792)
* nf_conntrack_sctp.h is not usable due to a missing commit (BZ#1887975)
* Starting pvmove on top of physical volumes on MD devices causes IO error
on ongoing IO (BZ#1890059)
Affected Software/OS:
'bpftool' package(s) on CentOS 7.
Solution:
Please install the updated package(s).
CVSS Score:
7.5
CVSS Vector:
AV:N/AC:M/Au:S/C:P/I:P/A:C
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