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redhatRedHatRHSA-2020:0179
HistoryJan 21, 2020 - 3:14 p.m.

(RHSA-2020:0179) Moderate: kernel security and bug fix update

2020-01-2115:14:53
access.redhat.com
73

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

0.001 Low

EPSS

Percentile

43.5%

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

Security Fix(es):

  • kernel: kvm: guest userspace to guest kernel write (CVE-2018-10853)

  • kernel: TLB flush happens too late on mremap (CVE-2018-18281)

  • kernel: fix race condition between mmget_not_zero()/get_task_mm() and core dumping (CVE-2019-11599)

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):

  • RHEL 7.7 RC1 - Host crashes about 4.5 hours into switch port bounce test (BZ#1763623)

  • [Azure][7.8] Include patch “PCI: hv: Avoid use of hv_pci_dev->pci_slot after freeing it” (BZ#1766088)

  • [Hyper-V][RHEL7.8] When accelerated networking is enabled on RedHat, network interface(eth0) moved to new network namespace does not obtain IP address. (BZ#1766092)

  • [Azure][RHEL 7.6] hv_vmbus probe pass-through GPU card failed (BZ#1766096)

  • Since RHEL commit 5330f5d09820 high load can cause dm-multipath path failures (BZ#1770112)

  • Hard lockup in free_one_page()->_raw_spin_lock() because sosreport command is reading from /proc/pagetypeinfo (BZ#1770731)

  • [ESXi][RHEL7]use-after-free of scsi_cmnd on VMWare virtual guest with vmw_pvscsi and ata_piix (BZ#1770737)

  • fix compat statfs64() returning EOVERFLOW for when _FILE_OFFSET_BITS=64 (BZ#1775677)

  • Kernel experiences panic in update_group_power() due to division error (BZ#1775681)

  • Guest crash after load cpuidle-haltpoll driver (BZ#1776288)

  • Issues with nova/cinder and attaching disks, /dev/disk/by-id missing some times (BZ#1776291)

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

0.001 Low

EPSS

Percentile

43.5%