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centosCentOS ProjectCESA-2016:2105
HistoryOct 26, 2016 - 7:33 a.m.

kernel, perf, python security update

2016-10-2607:33:13
CentOS Project
lists.centos.org
90

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.817

Percentile

98.4%

JSON

CentOS Errata and Security Advisory CESA-2016:2105

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

Security Fix(es):

  • A race condition was found in the way the Linux kernel’s memory subsystem handled the copy-on-write (COW) breakage of private read-only memory mappings. An unprivileged, local user could use this flaw to gain write access to otherwise read-only memory mappings and thus increase their privileges on the system. (CVE-2016-5195, Important)

Red Hat would like to thank Phil Oester for reporting this issue.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2016-October/084296.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-2016:2105

OSVersionArchitecturePackageVersionFilename
CentOS6i686kernel< 2.6.32-642.6.2.el6kernel-2.6.32-642.6.2.el6.i686.rpm
CentOS6noarchkernel-abi-whitelists< 2.6.32-642.6.2.el6kernel-abi-whitelists-2.6.32-642.6.2.el6.noarch.rpm
CentOS6i686kernel-debug< 2.6.32-642.6.2.el6kernel-debug-2.6.32-642.6.2.el6.i686.rpm
CentOS6i686kernel-debug-devel< 2.6.32-642.6.2.el6kernel-debug-devel-2.6.32-642.6.2.el6.i686.rpm
CentOS6i686kernel-devel< 2.6.32-642.6.2.el6kernel-devel-2.6.32-642.6.2.el6.i686.rpm
CentOS6noarchkernel-doc< 2.6.32-642.6.2.el6kernel-doc-2.6.32-642.6.2.el6.noarch.rpm
CentOS6noarchkernel-firmware< 2.6.32-642.6.2.el6kernel-firmware-2.6.32-642.6.2.el6.noarch.rpm
CentOS6i686kernel-headers< 2.6.32-642.6.2.el6kernel-headers-2.6.32-642.6.2.el6.i686.rpm
CentOS6i686perf< 2.6.32-642.6.2.el6perf-2.6.32-642.6.2.el6.i686.rpm
CentOS6i686python-perf< 2.6.32-642.6.2.el6python-perf-2.6.32-642.6.2.el6.i686.rpm
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CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7

Attack Vector

LOCAL

Attack Complexity

HIGH

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LOW

User Interaction

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Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.817

Percentile

98.4%

JSON
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