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redhatRedHatRHSA-2022:7280
HistoryNov 01, 2022 - 2:04 p.m.

(RHSA-2022:7280) Important: kernel-rt security and bug fix update

2022-11-0114:04:44
access.redhat.com
71

0.001 Low

EPSS

Percentile

25.0%

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):

  • A use-after-free in cls_route filter implementation may lead to privilege escalation (CVE-2022-2588)

  • Incomplete cleanup of multi-core shared buffers (aka SBDR) (CVE-2022-21123)

  • Incomplete cleanup of microarchitectural fill buffers (aka SBDS) (CVE-2022-21125)

  • Incomplete cleanup in specific special register write operations (aka DRPW) (CVE-2022-21166)

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):

  • Update RT source tree to the latest RHEL-8.2.z21 Batch (BZ#2100575)
OSVersionArchitecturePackageVersionFilename
RedHat8x86_64kernel-rt-debug-core< 4.18.0-193.93.1.rt13.143.el8_2kernel-rt-debug-core-4.18.0-193.93.1.rt13.143.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt< 4.18.0-193.93.1.rt13.143.el8_2kernel-rt-4.18.0-193.93.1.rt13.143.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-debuginfo< 4.18.0-193.93.1.rt13.143.el8_2kernel-rt-debuginfo-4.18.0-193.93.1.rt13.143.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-debug-kvm< 4.18.0-193.93.1.rt13.143.el8_2kernel-rt-debug-kvm-4.18.0-193.93.1.rt13.143.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-debug-modules-extra< 4.18.0-193.93.1.rt13.143.el8_2kernel-rt-debug-modules-extra-4.18.0-193.93.1.rt13.143.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-debug-devel< 4.18.0-193.93.1.rt13.143.el8_2kernel-rt-debug-devel-4.18.0-193.93.1.rt13.143.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-modules-extra< 4.18.0-193.93.1.rt13.143.el8_2kernel-rt-modules-extra-4.18.0-193.93.1.rt13.143.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-debug-modules< 4.18.0-193.93.1.rt13.143.el8_2kernel-rt-debug-modules-4.18.0-193.93.1.rt13.143.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-modules< 4.18.0-193.93.1.rt13.143.el8_2kernel-rt-modules-4.18.0-193.93.1.rt13.143.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-debug< 4.18.0-193.93.1.rt13.143.el8_2kernel-rt-debug-4.18.0-193.93.1.rt13.143.el8_2.x86_64.rpm
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