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redhatRedHatRHSA-2020:2171
HistoryMay 14, 2020 - 6:45 p.m.

(RHSA-2020:2171) Important: kernel-rt security and bug fix update

2020-05-1418:45:25
access.redhat.com
79

6.8 Medium

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

0.008 Low

EPSS

Percentile

81.4%

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):

  • Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711)

  • Kernel: kvm: nVMX: L2 guest may trick the L0 hypervisor to access sensitive L1 resources (CVE-2020-2732)

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 RT source tree to the latest RHEL-8.2.z source tree (BZ#1831781)
OSVersionArchitecturePackageVersionFilename
RedHat8x86_64kernel-rt-debug-debuginfo< 4.18.0-193.1.2.rt13.53.el8_2kernel-rt-debug-debuginfo-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-debug-devel< 4.18.0-193.1.2.rt13.53.el8_2kernel-rt-debug-devel-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-devel< 4.18.0-193.1.2.rt13.53.el8_2kernel-rt-devel-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-core< 4.18.0-193.1.2.rt13.53.el8_2kernel-rt-core-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-modules-extra< 4.18.0-193.1.2.rt13.53.el8_2kernel-rt-modules-extra-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-debug-core< 4.18.0-193.1.2.rt13.53.el8_2kernel-rt-debug-core-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-debug< 4.18.0-193.1.2.rt13.53.el8_2kernel-rt-debug-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-debug-modules-extra< 4.18.0-193.1.2.rt13.53.el8_2kernel-rt-debug-modules-extra-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-debuginfo-common-x86_64< 4.18.0-193.1.2.rt13.53.el8_2kernel-rt-debuginfo-common-x86_64-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-modules< 4.18.0-193.1.2.rt13.53.el8_2kernel-rt-modules-4.18.0-193.1.2.rt13.53.el8_2.x86_64.rpm
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6.8 Medium

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

0.008 Low

EPSS

Percentile

81.4%

JSON
Related for RHSA-2020:2171
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