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redhatRedHatRHSA-2023:1691
HistoryApr 11, 2023 - 1:44 p.m.

(RHSA-2023:1691) Important: kernel-rt security and bug fix update

2023-04-1113:44:18
access.redhat.com
29
kernel-rt real-time-linux fine-tuning high-determinism security-update bug-fix cve-2023-0386 rhel-9.1.z3-batch bz#2182066_unix

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

0.002

Percentile

61.0%

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: FUSE filesystem low-privileged user privileges escalation (CVE-2023-0386)

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-9.1.z3 Batch (BZ#2182066)
OSVersionArchitecturePackageVersionFilename
RedHat9x86_64kernel-rt-modules-extra< 5.14.0-162.23.1.rt21.186.el9_1kernel-rt-modules-extra-5.14.0-162.23.1.rt21.186.el9_1.x86_64.rpm
RedHat9x86_64kernel-rt-kvm< 5.14.0-162.23.1.rt21.186.el9_1kernel-rt-kvm-5.14.0-162.23.1.rt21.186.el9_1.x86_64.rpm
RedHat9x86_64kernel-rt-debuginfo< 5.14.0-162.23.1.rt21.186.el9_1kernel-rt-debuginfo-5.14.0-162.23.1.rt21.186.el9_1.x86_64.rpm
RedHat9x86_64kernel-rt-debug< 5.14.0-162.23.1.rt21.186.el9_1kernel-rt-debug-5.14.0-162.23.1.rt21.186.el9_1.x86_64.rpm
RedHat9x86_64kernel-rt-debug-kvm< 5.14.0-162.23.1.rt21.186.el9_1kernel-rt-debug-kvm-5.14.0-162.23.1.rt21.186.el9_1.x86_64.rpm
RedHat9x86_64kernel-rt-debuginfo-common-x86_64< 5.14.0-162.23.1.rt21.186.el9_1kernel-rt-debuginfo-common-x86_64-5.14.0-162.23.1.rt21.186.el9_1.x86_64.rpm
RedHat9x86_64kernel-rt-debug-core< 5.14.0-162.23.1.rt21.186.el9_1kernel-rt-debug-core-5.14.0-162.23.1.rt21.186.el9_1.x86_64.rpm
RedHat9x86_64kernel-rt-debug-debuginfo< 5.14.0-162.23.1.rt21.186.el9_1kernel-rt-debug-debuginfo-5.14.0-162.23.1.rt21.186.el9_1.x86_64.rpm
RedHat9x86_64kernel-rt-core< 5.14.0-162.23.1.rt21.186.el9_1kernel-rt-core-5.14.0-162.23.1.rt21.186.el9_1.x86_64.rpm
RedHat9x86_64kernel-rt-debug-modules< 5.14.0-162.23.1.rt21.186.el9_1kernel-rt-debug-modules-5.14.0-162.23.1.rt21.186.el9_1.x86_64.rpm
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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

0.002

Percentile

61.0%

JSON
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