RHSA-2019:2473: Important: kernel security and bug fix update

First published: Tue Aug 13 2019(Updated: )

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> Kernel: page cache side channel attacks (CVE-2019-5489)</li> <li> kernel: Salsa20 encryption algorithm does not correctly handle zero-length inputs allowing local attackers to cause denial-of-service (CVE-2017-17805)</li> <li> kernel: Unprivileged users able to inspect kernel stacks of arbitrary tasks (CVE-2018-17972)</li> <li> kernel: hw: Spectre SWAPGS gadget vulnerability (CVE-2019-1125)</li> 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.<br>Bug Fix(es):<br><li> OOPS with Null Pointer exception in v4l2_ctrl_query_menu when second arg of function is NULL (BZ#1647975)</li> <li> Another RHEL 6 hang in congestion_wait() (BZ#1658254)</li> <li> kernel crash after running user space script (BZ#1663262)</li> <li> RHEL-6.10: Don't report the use of retpoline on Skylake as vulnerable (BZ#1666102)</li> <li> Bad pagetable: 000f “*pdpt = 0000000000000000 *pde = 0000000000000000” RHEL 6 32bit (BZ#1702782)</li> <li> fs/binfmt_misc.c: do not allow offset overflow [6.10.z] (BZ#1710149)</li> <li> Wrong spectre backport causing linux headers to break compilation of 3rd party packages (BZ#1722185)</li>

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