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redhatRedHatRHSA-2022:5267
HistoryJun 28, 2022 - 8:29 a.m.

(RHSA-2022:5267) Important: kernel-rt security and bug fix update

2022-06-2808:29:41
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32

0.001 Low

EPSS

Percentile

50.9%

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: Small table perturb size in the TCP source port generation algorithm can lead to information leak (CVE-2022-1012)

  • kernel: race condition in perf_event_open leads to privilege escalation (CVE-2022-1729)

  • kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root (CVE-2022-1966)

  • 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 latest RHEL-9.0.z1 Batch (BZ#2089492)