RHSA-2020:2242: Important: kernel-rt security and bug fix update
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: double free may be caused by the function allocatetracebuffer in the file kernel/trace/trace.c (CVE-2017-18595) kernel: use-after-free in blkaddtrace in kernel/trace/blktrace.c (CVE-2019-19768) Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711) 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#1823371)
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2020:2242?
The severity of RHSA-2020:2242 is considered moderate due to the double free vulnerability in the kernel.
How do I fix RHSA-2020:2242?
To fix RHSA-2020:2242, update your kernel-rt packages to version 3.10.0-693.67.1.rt56.665.el6.
Which packages are affected by RHSA-2020:2242?
The affected packages include kernel-rt, kernel-rt-debug, kernel-rt-debuginfo, and a few others related to the Real Time Kernel.
What specific vulnerability is addressed in RHSA-2020:2242?
RHSA-2020:2242 addresses a double free vulnerability detected in the allocate_trace_buffer function within the kernel.
Is RHSA-2020:2242 applicable to Red Hat Enterprise Linux 6?
Yes, RHSA-2020:2242 is specifically applicable to Red Hat Enterprise Linux 6 systems using Real Time kernel packages.