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redhatRedHatRHSA-2019:1971
HistoryJul 30, 2019 - 10:55 a.m.

(RHSA-2019:1971) Important: kernel-rt security and bug fix update

2019-07-3010:55:07
access.redhat.com
128

0.018 Low

EPSS

Percentile

88.3%

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: insufficient input validation in kernel mode driver in Intel i915 graphics leads to privilege escalation (CVE-2019-11085)

  • kernel: DMA attack using peripheral devices (Thunderclap) (BZ#1690716)

  • kernel: infinite loop in update_blocked_averages() in kernel/sched/fair.c leading to denial of service (CVE-2018-20784)

  • kernel: a NULL pointer dereference in drivers/scsi/megaraid/megaraid_sas_base.c leading to DoS (CVE-2019-11810)

  • kernel: use-after-free in drivers/char/ipmi/ipmi_si_intf.c, ipmi_si_mem_io.c, ipmi_si_port_io.c (CVE-2019-11811)

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 to the RHEL8.0.z batch#2 source tree (BZ#1717516)