RHSA-2018:1318: Important: kernel security, bug fix, and enhancement update

First published: Tue May 08 2018(Updated: )

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> Kernel: KVM: error in exception handling leads to wrong debug stack value (CVE-2018-1087)</li> <li> Kernel: error in exception handling leads to DoS (CVE-2018-8897)</li> <li> Kernel: ipsec: xfrm: use-after-free leading to potential privilege escalation (CVE-2017-16939)</li> <li> kernel: Out-of-bounds write via userland offsets in ebt_entry struct in netfilter/ebtables.c (CVE-2018-1068)</li> <li> kernel: ptrace() incorrect error handling leads to corruption and DoS (CVE-2018-1000199)</li> <li> kernel: guest kernel crash during core dump on POWER9 host (CVE-2018-1091)</li> 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.<br>Red Hat would like to thank Andy Lutomirski for reporting CVE-2018-1087 and CVE-2018-1000199 and Nick Peterson (Everdox Tech LLC) and Andy Lutomirski for reporting CVE-2018-8897.<br>Bug Fix(es):<br>These updated kernel packages include also numerous bug fixes. Space precludes documenting all of these bug fixes in this advisory. See the bug fix descriptions in the related Knowledge Article: <a href="https://access.redhat.com/articles/3431641" target="_blank">https://access.redhat.com/articles/3431641</a>

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