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redhatRedHatRHSA-2022:4835
HistoryMay 31, 2022 - 10:00 a.m.

(RHSA-2022:4835) Important: kernel-rt security and bug fix update

2022-05-3110:00:31
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40

0.003 Low

EPSS

Percentile

68.0%

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: new DNS Cache Poisoning Attack based on ICMP fragment needed packets replies (CVE-2021-20322)

  • kernel: security regression for CVE-2018-13405 (CVE-2021-4037)

  • kernel: buffer overflow in IPsec ESP transformation code (CVE-2022-27666)

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 RHEL-8.4.z9 source tree (BZ#2075148)