RHSA-2019:2975 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 7.5 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB) (CVE-2019-9506)

• 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):

• TCP packets are segmented when sent to the VLAN device when coming from VXLAN dev. (BZ#1732810)

• skb head copy occurs when sending traffic over OVS managed VXLAN tunnel (BZ#1733896)

• [mlx4] VXLAN over VLAN TCP segmentation (BZ#1734306)

• use "make -jN" for modules_install (BZ#1735082)

• Backport TCP follow-up for small buffers (BZ#1739128)

• [FJ7.6 Bug]: [REG] kernel: ipc: ipc_free should use kvfree (BZ#1740176)

• RHEL7.6 - powerpc/pseries: Disable CPU hotplug across migrations / powerpc/rtas: Fix a potential race between CPU-Offline & Migration (LPM) (BZ#1745437)

• RHEL7.6 - powerpc/pseries: Fix unitialized timer reset on migration / powerpc/pseries/mobility: Extend start/stop topology update scope (LPM) (BZ#1745439)

• RHEL7.5 - ISST-LTE:PVM:Zeppelin :LPM: Failure logs and stack trace seen during LPM (POWER9/P9) (BZ#1745447)