RHSA-2018:1130: Important: kernel security and bug fix update

First published: Tue Apr 17 2018(Updated: )

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: Use-after-free vulnerability in DCCP socket (CVE-2017-8824, Important)</li> <li> kernel: v4l2: disabled memory access protection mechanism allowing privilege escalation (CVE-2017-13166, Important)</li> <li> kernel: Incorrect type conversion for size during dma allocation (CVE-2017-9725, Moderate)</li> <li> kernel: Use-after-free in snd_seq_ioctl_create_port() (CVE-2017-15265, Moderate)</li> <li> kernel: Missing namespace check in net/netlink/af_netlink.c allows for network monitors to observe systemwide activity (CVE-2017-17449, Moderate)</li> <li> kernel: netfilter: use-after-free in tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c (CVE-2017-18017, Moderate)</li> <li> kernel: kvm: Reachable BUG() on out-of-bounds guest IRQ (CVE-2017-1000252, Moderate)</li> <li> kernel: Stack information leak in the EFS element (CVE-2017-1000410, Moderate)</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 Mohamed Ghannam for reporting CVE-2017-8824; Jan H. Schönherr (Amazon) for reporting CVE-2017-1000252; and Armis Labs for reporting CVE-2017-1000410.<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:<br><a href="https://access.redhat.com/articles/3411331" target="_blank">https://access.redhat.com/articles/3411331</a>

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