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redhatRedHatRHSA-2020:0100
HistoryJan 14, 2020 - 7:45 a.m.

(RHSA-2020:0100) Important: kernel-rt security and bug fix update

2020-01-1407:45:36
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78

0.001 Low

EPSS

Percentile

44.2%

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: Use-after-free in __blk_drain_queue() function in block/blk-core.c (CVE-2018-20856)

  • kernel: TLB flush happens too late on mremap (CVE-2018-18281)

  • kernel: fix race condition between mmget_not_zero()/get_task_mm() and core dumping (CVE-2019-11599)

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 the MRG 2.5.z 3.10 realtime-kernel sources (BZ#1779367)