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redhatRedHatRHSA-2021:2666
HistoryJul 07, 2021 - 2:33 p.m.

(RHSA-2021:2666) Important: kernel security and bug fix update

2021-07-0714:33:16
access.redhat.com
51

0.001 Low

EPSS

Percentile

32.3%

JSON

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

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

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

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):

  • [Azure][RHEL8.4] Two Patches Needed To Enable Azure Host Time-syncing in VMs (BZ#1963052)
OSVersionArchitecturePackageVersionFilename
RedHat8x86_64kernel-debug-devel< 4.18.0-147.51.1.el8_1kernel-debug-devel-4.18.0-147.51.1.el8_1.x86_64.rpm
RedHat8ppc64lepython3-perf< 4.18.0-147.51.1.el8_1python3-perf-4.18.0-147.51.1.el8_1.ppc64le.rpm
RedHat8aarch64kernel-debug-modules< 4.18.0-147.51.1.el8_1kernel-debug-modules-4.18.0-147.51.1.el8_1.aarch64.rpm
RedHat8x86_64kernel-debug< 4.18.0-147.51.1.el8_1kernel-debug-4.18.0-147.51.1.el8_1.x86_64.rpm
RedHat8x86_64kernel-tools-debuginfo< 4.18.0-147.51.1.el8_1kernel-tools-debuginfo-4.18.0-147.51.1.el8_1.x86_64.rpm
RedHat8s390xperf< 4.18.0-147.51.1.el8_1perf-4.18.0-147.51.1.el8_1.s390x.rpm
RedHat8aarch64kernel-core< 4.18.0-147.51.1.el8_1kernel-core-4.18.0-147.51.1.el8_1.aarch64.rpm
RedHat8s390xkernel< 4.18.0-147.51.1.el8_1kernel-4.18.0-147.51.1.el8_1.s390x.rpm
RedHat8s390xkernel-debuginfo< 4.18.0-147.51.1.el8_1kernel-debuginfo-4.18.0-147.51.1.el8_1.s390x.rpm
RedHat8ppc64lekernel-debug-core< 4.18.0-147.51.1.el8_1kernel-debug-core-4.18.0-147.51.1.el8_1.ppc64le.rpm
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0.001 Low

EPSS

Percentile

32.3%

JSON
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