RHSA-2019:2696: Important: kernel security and bug fix update
The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: Memory corruption due to incorrect socket cloning (CVE-2018-9568)</li> <li> kernel: Missing check in fs/inode.c:inodeinitowner() does not clear SGID bit on non-directories for non-members (CVE-2018-13405)</li> <li> kernel: nfs: use-after-free in svcprocesscommon() (CVE-2018-16884)</li> <li> kernel: nfs: NULL pointer dereference due to an anomalized NFS message sequence (CVE-2018-16871)</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> fragmented packets timing out (BZ#1729411)</li> <li> kernel build: speed up debuginfo extraction (BZ#1731462)</li> <li> TCP packets are segmented when sent to the VM (TAP) (BZ#1732744)</li> <li> TCP packets are segmented when sent to the VLAN device when coming from VXLAN dev. (BZ#1732809)</li> <li> skb head copy occurs when sending traffic over OVS managed VXLAN tunnel (BZ#1733626)</li> <li> [mlx4] VXLAN over VLAN TCP segmentation (BZ#1734160)</li> <li> use "make -jN" for modulesinstall (BZ#1735081)</li> <li> shmem: consider shmmnt as a long-term mount (BZ#1737376)</li> <li> [ESXi][RHEL7]use-after-free of scsicmnd on VMWare virtual guest with vmwpvscsi and atapiix (BZ#1737377)</li> <li> Backport TCP follow-up for small buffers (BZ#1739127)</li>
Affected Software
Remediation
Event History
Frequently Asked Questions
What vulnerabilities are addressed in RHSA-2019:2696?
RHSA-2019:2696 addresses memory corruption due to incorrect socket cloning (CVE-2018-9568) and a missing check in fs/inode.c.
How do I fix the vulnerabilities outlined in RHSA-2019:2696?
To fix the vulnerabilities in RHSA-2019:2696, upgrade to kernel version 3.10.0-693.58.1.el7.
What is the impact of not applying the fix for RHSA-2019:2696?
Not applying the fix for RHSA-2019:2696 could lead to potential memory corruption issues and security vulnerabilities.
Which systems are affected by RHSA-2019:2696?
RHSA-2019:2696 affects systems running specific versions of the Red Hat kernel packages.
Is there a specific kernel package I should update for RHSA-2019:2696?
Yes, you should update the kernel package to 3.10.0-693.58.1.el7 to mitigate the vulnerabilities.