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redhatRedHatRHSA-2017:0295
HistoryFeb 22, 2017 - 3:55 p.m.

(RHSA-2017:0295) Important: kernel-rt security update

2017-02-2215:55:03
access.redhat.com
58

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

0.0004 Low

EPSS

Percentile

0.4%

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 use-after-free flaw was found in the way the Linux kernel’s Datagram Congestion Control Protocol (DCCP) implementation freed SKB (socket buffer) resources for a DCCP_PKT_REQUEST packet when the IPV6_RECVPKTINFO option is set on the socket. A local, unprivileged user could use this flaw to alter the kernel memory, allowing them to escalate their privileges on the system. (CVE-2017-6074, Important)
OSVersionArchitecturePackageVersionFilename
RedHat7x86_64kernel-rt-trace-debuginfo< 3.10.0-514.6.1.rt56.430.el7kernel-rt-trace-debuginfo-3.10.0-514.6.1.rt56.430.el7.x86_64.rpm
RedHat7x86_64kernel-rt-kvm< 3.10.0-514.6.1.rt56.430.el7kernel-rt-kvm-3.10.0-514.6.1.rt56.430.el7.x86_64.rpm
RedHat7x86_64kernel-rt-debug-devel< 3.10.0-514.6.1.rt56.430.el7kernel-rt-debug-devel-3.10.0-514.6.1.rt56.430.el7.x86_64.rpm
RedHat7x86_64kernel-rt-debug< 3.10.0-514.6.1.rt56.430.el7kernel-rt-debug-3.10.0-514.6.1.rt56.430.el7.x86_64.rpm
RedHat7x86_64kernel-rt-debuginfo< 3.10.0-514.6.1.rt56.430.el7kernel-rt-debuginfo-3.10.0-514.6.1.rt56.430.el7.x86_64.rpm
RedHat7x86_64kernel-rt-trace-kvm-debuginfo< 3.10.0-514.6.1.rt56.430.el7kernel-rt-trace-kvm-debuginfo-3.10.0-514.6.1.rt56.430.el7.x86_64.rpm
RedHat7x86_64kernel-rt-trace< 3.10.0-514.6.1.rt56.430.el7kernel-rt-trace-3.10.0-514.6.1.rt56.430.el7.x86_64.rpm
RedHat7x86_64kernel-rt-trace-kvm< 3.10.0-514.6.1.rt56.430.el7kernel-rt-trace-kvm-3.10.0-514.6.1.rt56.430.el7.x86_64.rpm
RedHat7x86_64kernel-rt-debuginfo-common-x86_64< 3.10.0-514.6.1.rt56.430.el7kernel-rt-debuginfo-common-x86_64-3.10.0-514.6.1.rt56.430.el7.x86_64.rpm
RedHat7x86_64kernel-rt-kvm-debuginfo< 3.10.0-514.6.1.rt56.430.el7kernel-rt-kvm-debuginfo-3.10.0-514.6.1.rt56.430.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

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7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

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

0.0004 Low

EPSS

Percentile

0.4%

JSON
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