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redhatRedHatRHSA-2019:0514
HistoryMar 12, 2019 - 4:33 p.m.

(RHSA-2019:0514) Important: kernel-rt security and bug fix update

2019-03-1216:33:04
access.redhat.com
43

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:3.1/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

0.001 Low

EPSS

Percentile

27.1%

JSON

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

  • kernel: Memory corruption due to incorrect socket cloning (CVE-2018-9568)

  • kernel: Unprivileged users able to inspect kernel stacks of arbitrary tasks (CVE-2018-17972)

  • kernel: Faulty computation of numberic bounds in the BPF verifier (CVE-2018-18445)

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):

  • kernel-rt: update to the RHEL7.6.z batch#3 source tree (BZ#1672406)

Users of kernel-rt are advised to upgrade to these updated packages, which fix this bug.

OSVersionArchitecturePackageVersionFilename
RedHat7x86_64kernel-rt-debug-kvm-debuginfo< 3.10.0-957.10.1.rt56.921.el7kernel-rt-debug-kvm-debuginfo-3.10.0-957.10.1.rt56.921.el7.x86_64.rpm
RedHat7x86_64kernel-rt-devel< 3.10.0-957.10.1.rt56.921.el7kernel-rt-devel-3.10.0-957.10.1.rt56.921.el7.x86_64.rpm
RedHat7x86_64kernel-rt-kvm< 3.10.0-957.10.1.rt56.921.el7kernel-rt-kvm-3.10.0-957.10.1.rt56.921.el7.x86_64.rpm
RedHat7x86_64kernel-rt-debuginfo-common-x86_64< 3.10.0-957.10.1.rt56.921.el7kernel-rt-debuginfo-common-x86_64-3.10.0-957.10.1.rt56.921.el7.x86_64.rpm
RedHat7x86_64kernel-rt-debuginfo< 3.10.0-957.10.1.rt56.921.el7kernel-rt-debuginfo-3.10.0-957.10.1.rt56.921.el7.x86_64.rpm
RedHat7x86_64kernel-rt-debug< 3.10.0-957.10.1.rt56.921.el7kernel-rt-debug-3.10.0-957.10.1.rt56.921.el7.x86_64.rpm
RedHat7x86_64kernel-rt-trace-kvm-debuginfo< 3.10.0-957.10.1.rt56.921.el7kernel-rt-trace-kvm-debuginfo-3.10.0-957.10.1.rt56.921.el7.x86_64.rpm
RedHat7x86_64kernel-rt-kvm-debuginfo< 3.10.0-957.10.1.rt56.921.el7kernel-rt-kvm-debuginfo-3.10.0-957.10.1.rt56.921.el7.x86_64.rpm
RedHat7x86_64kernel-rt-trace-kvm< 3.10.0-957.10.1.rt56.921.el7kernel-rt-trace-kvm-3.10.0-957.10.1.rt56.921.el7.x86_64.rpm
RedHat7x86_64kernel-rt< 3.10.0-957.10.1.rt56.921.el7kernel-rt-3.10.0-957.10.1.rt56.921.el7.x86_64.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:3.1/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

0.001 Low

EPSS

Percentile

27.1%

JSON
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