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redhatRedHatRHSA-2020:5428
HistoryDec 15, 2020 - 8:19 a.m.

(RHSA-2020:5428) Moderate: kernel-rt security and bug fix update

2020-12-1508:19:06
access.redhat.com
83

3.7 Low

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

58.5%

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: information exposure in drivers/char/random.c and kernel/time/timer.c (CVE-2020-16166)

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 RHEL-8.2.z#5 source tree (BZ#1873287)

  • optimization for delaying the freeing of empty slubs causes a NULL pointer dereference (BZ#1880502)

OSVersionArchitecturePackageVersionFilename
RedHat8x86_64kernel-rt-debuginfo-common-x86_64< 4.18.0-193.37.1.rt13.87.el8_2kernel-rt-debuginfo-common-x86_64-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-debug-devel< 4.18.0-193.37.1.rt13.87.el8_2kernel-rt-debug-devel-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-modules< 4.18.0-193.37.1.rt13.87.el8_2kernel-rt-modules-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-modules-extra< 4.18.0-193.37.1.rt13.87.el8_2kernel-rt-modules-extra-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-debuginfo< 4.18.0-193.37.1.rt13.87.el8_2kernel-rt-debuginfo-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-devel< 4.18.0-193.37.1.rt13.87.el8_2kernel-rt-devel-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-debug-modules-extra< 4.18.0-193.37.1.rt13.87.el8_2kernel-rt-debug-modules-extra-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-debug-kvm< 4.18.0-193.37.1.rt13.87.el8_2kernel-rt-debug-kvm-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-kvm< 4.18.0-193.37.1.rt13.87.el8_2kernel-rt-kvm-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-debug-debuginfo< 4.18.0-193.37.1.rt13.87.el8_2kernel-rt-debug-debuginfo-4.18.0-193.37.1.rt13.87.el8_2.x86_64.rpm
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3.7 Low

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

58.5%

JSON
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