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redhatRedHatRHSA-2022:0822
HistoryMar 10, 2022 - 2:40 p.m.

(RHSA-2022:0822) Important: kernel-rt security update

2022-03-1014:40:36
access.redhat.com
80
kernel-rt packages
real time linux kernel
determinism requirements
security update
cve-2022-0847

CVSS2

7.2

Attack Vector

LOCAL

Attack 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

CVSS3

7.8

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

EPSS

0.121

Percentile

95.4%

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: improper initialization of the “flags” member of the new pipe_buffer (CVE-2022-0847)

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.

OSVersionArchitecturePackageVersionFilename
RedHat8x86_64kernel-rt-core< 4.18.0-305.40.2.rt7.113.el8_4kernel-rt-core-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm
RedHat8x86_64kernel-rt-debug-core< 4.18.0-305.40.2.rt7.113.el8_4kernel-rt-debug-core-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm
RedHat8x86_64kernel-rt-modules-extra< 4.18.0-305.40.2.rt7.113.el8_4kernel-rt-modules-extra-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm
RedHat8x86_64kernel-rt-debug-devel< 4.18.0-305.40.2.rt7.113.el8_4kernel-rt-debug-devel-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm
RedHat8x86_64kernel-rt-debuginfo-common-x86_64< 4.18.0-305.40.2.rt7.113.el8_4kernel-rt-debuginfo-common-x86_64-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm
RedHat8x86_64kernel-rt-debug-modules< 4.18.0-305.40.2.rt7.113.el8_4kernel-rt-debug-modules-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm
RedHat8x86_64kernel-rt-debuginfo< 4.18.0-305.40.2.rt7.113.el8_4kernel-rt-debuginfo-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm
RedHat8x86_64kernel-rt-debug-debuginfo< 4.18.0-305.40.2.rt7.113.el8_4kernel-rt-debug-debuginfo-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm
RedHat8x86_64kernel-rt< 4.18.0-305.40.2.rt7.113.el8_4kernel-rt-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm
RedHat8x86_64kernel-rt-debug-kvm< 4.18.0-305.40.2.rt7.113.el8_4kernel-rt-debug-kvm-4.18.0-305.40.2.rt7.113.el8_4.x86_64.rpm
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CVSS2

7.2

Attack Vector

LOCAL

Attack 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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

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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

EPSS

0.121

Percentile

95.4%

JSON
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