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redhatRedHatRHSA-2018:1346
HistoryMay 08, 2018 - 8:17 p.m.

(RHSA-2018:1346) Important: kernel security and bug fix update

2018-05-0820:17:11
access.redhat.com
97

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

7.2 High

CVSS2

Access Vector

LOCAL

Access 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

0.975 High

EPSS

Percentile

100.0%

JSON

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

Security Fix(es):

  • hw: cpu: speculative execution permission faults handling (CVE-2017-5754, x86 32-bit)

  • Kernel: error in exception handling leads to DoS (CVE-2018-8897)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank Google Project Zero for reporting CVE-2017-5754 and Nick Peterson (Everdox Tech LLC) and Andy Lutomirski for reporting CVE-2018-8897.

Bug Fix(es):

  • The kernel build requirements have been updated to the GNU Compiler Collection (GCC) compiler version that has the support for Retpolines. The Retpolines mechanism is a software construct that leverages specific knowledge of the underlying hardware to mitigate the branch target injection, also known as Spectre variant 2 vulnerability described in CVE-2017-5715. (BZ#1554253)
OSVersionArchitecturePackageVersionFilename
RedHat6i686kernel-debug-devel< 2.6.32-573.55.2.el6kernel-debug-devel-2.6.32-573.55.2.el6.i686.rpm
RedHat6s390xkernel-kdump< 2.6.32-573.55.2.el6kernel-kdump-2.6.32-573.55.2.el6.s390x.rpm
RedHat6ppc64kernel-debug-devel< 2.6.32-573.55.2.el6kernel-debug-devel-2.6.32-573.55.2.el6.ppc64.rpm
RedHat6x86_64python-perf< 2.6.32-573.55.2.el6python-perf-2.6.32-573.55.2.el6.x86_64.rpm
RedHat6x86_64perf< 2.6.32-573.55.2.el6perf-2.6.32-573.55.2.el6.x86_64.rpm
RedHat6ppc64perf< 2.6.32-573.55.2.el6perf-2.6.32-573.55.2.el6.ppc64.rpm
RedHat6s390xperf< 2.6.32-573.55.2.el6perf-2.6.32-573.55.2.el6.s390x.rpm
RedHat6ppc64kernel-debuginfo< 2.6.32-573.55.2.el6kernel-debuginfo-2.6.32-573.55.2.el6.ppc64.rpm
RedHat6x86_64kernel-devel< 2.6.32-573.55.2.el6kernel-devel-2.6.32-573.55.2.el6.x86_64.rpm
RedHat6s390xkernel-debug-debuginfo< 2.6.32-573.55.2.el6kernel-debug-debuginfo-2.6.32-573.55.2.el6.s390x.rpm
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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

7.2 High

CVSS2

Access Vector

LOCAL

Access 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

0.975 High

EPSS

Percentile

100.0%

JSON
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