RHSA-2019:2730: Important: kernel-rt security and bug fix update
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: Memory corruption due to incorrect socket cloning (CVE-2018-9568) kernel: Missing check in fs/inode.c:inodeinitowner() does not clear SGID bit on non-directories for non-members (CVE-2018-13405) kernel: nfs: use-after-free in svcprocesscommon() (CVE-2018-16884) kernel: nfs: NULL pointer dereference due to an anomalized NFS message sequence (CVE-2018-16871) kernel: hw: Spectre SWAPGS gadget vulnerability (CVE-2019-1125) 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.Bug Fix(es): Backport TCP follow-up for small buffers [mrg-r] (BZ#1732110) update the MRG 2.5.z 3.10 realtime-kernel sources (BZ#1734469)
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2019:2730?
RHSA-2019:2730 is classified as a security vulnerability that affects the Real Time Linux kernel and includes critical memory corruption issues.
How do I fix RHSA-2019:2730?
To fix RHSA-2019:2730, you should upgrade to the corrected version of the kernel-rt package listed as 3.10.0-693.58.1.rt56.652.el6.
What is the impact of CVE-2018-9568 in RHSA-2019:2730?
CVE-2018-9568 allows for memory corruption due to improper socket cloning, which can lead to potential system instability and exploitation.
Which packages are affected by RHSA-2019:2730?
RHSA-2019:2730 affects several kernel-rt packages including kernel-rt, kernel-rt-debug, and kernel-rt-vanilla among others.
Is RHSA-2019:2730 applicable to all Red Hat users?
RHSA-2019:2730 is specifically applicable to users of Red Hat Enterprise Linux 6 using the Real Time Linux kernel.