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redhatRedHatRHSA-2021:2719
HistoryJul 20, 2021 - 1:18 p.m.

(RHSA-2021:2719) Important: kernel-rt security and bug fix update

2021-07-2013:18:50
access.redhat.com
73

0.002 Low

EPSS

Percentile

55.1%

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: size_t-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909)

  • kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan (CVE-2021-33034)

  • kernel: perf_event_parse_addr_filter memory (CVE-2020-25704)

  • kernel: security bypass in certs/blacklist.c and certs/system_keyring.c (CVE-2020-26541)

  • kernel: fork: fix copy_process(CLONE_PARENT) race with the exiting ->real_parent (CVE-2020-35508)

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.z10 Batch source tree (BZ#1968022)
OSVersionArchitecturePackageVersionFilename
RedHat8x86_64kernel-rt-debug-kvm< 4.18.0-193.60.2.rt13.112.el8_2kernel-rt-debug-kvm-4.18.0-193.60.2.rt13.112.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-debuginfo-common-x86_64< 4.18.0-193.60.2.rt13.112.el8_2kernel-rt-debuginfo-common-x86_64-4.18.0-193.60.2.rt13.112.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-modules< 4.18.0-193.60.2.rt13.112.el8_2kernel-rt-modules-4.18.0-193.60.2.rt13.112.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-kvm< 4.18.0-193.60.2.rt13.112.el8_2kernel-rt-kvm-4.18.0-193.60.2.rt13.112.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-core< 4.18.0-193.60.2.rt13.112.el8_2kernel-rt-core-4.18.0-193.60.2.rt13.112.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-debug-modules< 4.18.0-193.60.2.rt13.112.el8_2kernel-rt-debug-modules-4.18.0-193.60.2.rt13.112.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-debug-devel< 4.18.0-193.60.2.rt13.112.el8_2kernel-rt-debug-devel-4.18.0-193.60.2.rt13.112.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-debug-modules-extra< 4.18.0-193.60.2.rt13.112.el8_2kernel-rt-debug-modules-extra-4.18.0-193.60.2.rt13.112.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt-debuginfo< 4.18.0-193.60.2.rt13.112.el8_2kernel-rt-debuginfo-4.18.0-193.60.2.rt13.112.el8_2.x86_64.rpm
RedHat8x86_64kernel-rt< 4.18.0-193.60.2.rt13.112.el8_2kernel-rt-4.18.0-193.60.2.rt13.112.el8_2.x86_64.rpm
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0.002 Low

EPSS

Percentile

55.1%

JSON
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