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redhatRedHatRHSA-2019:2830
HistorySep 20, 2019 - 6:28 a.m.

(RHSA-2019:2830) Important: kernel-rt security update

2019-09-2006:28:36
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:3.1/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

28.6%

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):

  • A buffer overflow flaw was found in the way Linux kernel’s vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host. (CVE-2019-14835)
OSVersionArchitecturePackageVersionFilename
RedHat7x86_64kernel-rt-debug-kvm< 3.10.0-1062.1.2.rt56.1025.el7kernel-rt-debug-kvm-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
RedHat7x86_64kernel-rt-debuginfo-common-x86_64< 3.10.0-1062.1.2.rt56.1025.el7kernel-rt-debuginfo-common-x86_64-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
RedHat7x86_64kernel-rt-trace-debuginfo< 3.10.0-1062.1.2.rt56.1025.el7kernel-rt-trace-debuginfo-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
RedHat7noarchkernel-rt-doc< 3.10.0-1062.1.2.rt56.1025.el7kernel-rt-doc-3.10.0-1062.1.2.rt56.1025.el7.noarch.rpm
RedHat7x86_64kernel-rt-kvm-debuginfo< 3.10.0-1062.1.2.rt56.1025.el7kernel-rt-kvm-debuginfo-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
RedHat7x86_64kernel-rt-debuginfo< 3.10.0-1062.1.2.rt56.1025.el7kernel-rt-debuginfo-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
RedHat7x86_64kernel-rt-debug-devel< 3.10.0-1062.1.2.rt56.1025.el7kernel-rt-debug-devel-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
RedHat7x86_64kernel-rt< 3.10.0-1062.1.2.rt56.1025.el7kernel-rt-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
RedHat7x86_64kernel-rt-debug< 3.10.0-1062.1.2.rt56.1025.el7kernel-rt-debug-3.10.0-1062.1.2.rt56.1025.el7.x86_64.rpm
RedHat7x86_64kernel-rt-kvm< 3.10.0-1062.1.2.rt56.1025.el7kernel-rt-kvm-3.10.0-1062.1.2.rt56.1025.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

28.6%

JSON
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