RedHat: RHSA-2018-1354:01 Important: kernel-rt security update
Summary
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: error in exception handling leads to DoS (CVE-2018-8897)
* kernel: ptrace() incorrect error handling leads to corruption and DoS
(CVE-2018-1000199)
For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.
Red Hat would like to thank Nick Peterson (Everdox Tech LLC) and Andy
Lutomirski for reporting CVE-2018-8897 and Andy Lutomirski for reporting
CVE-2018-1000199.
Summary
Solution
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
References
https://access.redhat.com/security/cve/CVE-2018-8897 https://access.redhat.com/security/cve/CVE-2018-1000199 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/pop_ss
Package List
Red Hat MRG Realtime for RHEL 6 Server v.2:
Source:
kernel-rt-3.10.0-693.25.4.rt56.613.el6rt.src.rpm
noarch:
kernel-rt-doc-3.10.0-693.25.4.rt56.613.el6rt.noarch.rpm
kernel-rt-firmware-3.10.0-693.25.4.rt56.613.el6rt.noarch.rpm
x86_64:
kernel-rt-3.10.0-693.25.4.rt56.613.el6rt.x86_64.rpm
kernel-rt-debug-3.10.0-693.25.4.rt56.613.el6rt.x86_64.rpm
kernel-rt-debug-debuginfo-3.10.0-693.25.4.rt56.613.el6rt.x86_64.rpm
kernel-rt-debug-devel-3.10.0-693.25.4.rt56.613.el6rt.x86_64.rpm
kernel-rt-debuginfo-3.10.0-693.25.4.rt56.613.el6rt.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-3.10.0-693.25.4.rt56.613.el6rt.x86_64.rpm
kernel-rt-devel-3.10.0-693.25.4.rt56.613.el6rt.x86_64.rpm
kernel-rt-trace-3.10.0-693.25.4.rt56.613.el6rt.x86_64.rpm
kernel-rt-trace-debuginfo-3.10.0-693.25.4.rt56.613.el6rt.x86_64.rpm
kernel-rt-trace-devel-3.10.0-693.25.4.rt56.613.el6rt.x86_64.rpm
kernel-rt-vanilla-3.10.0-693.25.4.rt56.613.el6rt.x86_64.rpm
kernel-rt-vanilla-debuginfo-3.10.0-693.25.4.rt56.613.el6rt.x86_64.rpm
kernel-rt-vanilla-devel-3.10.0-693.25.4.rt56.613.el6rt.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
Topic
An update for kernel-rt is now available for Red Hat Enterprise MRG 2.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat MRG Realtime for RHEL 6 Server v.2 - noarch, x86_64
Bugs Fixed
1567074 - CVE-2018-8897 Kernel: error in exception handling leads to DoS
1568477 - CVE-2018-1000199 kernel: ptrace() incorrect error handling leads to corruption and DoS