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centosCentOS ProjectCESA-2019:3836
HistoryNov 14, 2019 - 1:19 a.m.

kernel, perf, python security update

2019-11-1401:19:32
CentOS Project
lists.centos.org
146

7.7 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.002 Low

EPSS

Percentile

60.9%

CentOS Errata and Security Advisory CESA-2019:3836

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

Security Fix(es):

  • hw: Machine Check Error on Page Size Change (IFU) (CVE-2018-12207)

  • hw: TSX Transaction Asynchronous Abort (TAA) (CVE-2019-11135)

  • Kernel: vhost_net: infinite loop while receiving packets leads to DoS (CVE-2019-3900)

  • hw: Intel GPU Denial Of Service while accessing MMIO in lower power state (CVE-2019-0154)

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):

  • [Intel 6.10 Bug] With mWait/C-states disabled, HT on, ibrs enabled, performance impact observed on user space benchmark (BZ#1560787)

  • kernel-2.6.32-573.60.2.el6 hangs/resets during boot in efi_enter_virtual_mode() on Xeon v2 E7-2870 (BZ#1645724)

  • Slab leak: skbuff_head_cache slab object still allocated after mcast processes are stopped and “fragments dropped after timeout” errors are shown (BZ#1752536)

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2019-November/085674.html

Affected packages:
kernel
kernel-abi-whitelists
kernel-debug
kernel-debug-devel
kernel-devel
kernel-doc
kernel-firmware
kernel-headers
perf
python-perf

Upstream details at:
https://access.redhat.com/errata/RHSA-2019:3836

7.7 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.002 Low

EPSS

Percentile

60.9%