Moderate: kernel security and bug fix update

Synopsis

Moderate: kernel security and bug fix update

Type/Severity

Security Advisory: Moderate

Topic

An update for kernel is now available for Red Hat Enterprise Linux 7.7 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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.

Description

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

Security Fix(es):

• kernel: use-after-free caused by a malicious USB device in the drivers/hid/usbhid/hiddev.c driver (CVE-2019-19527)
  

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):

• OVS drops secondary SCTP connection (BZ#1871912)
  
• A gfs2 filesystem had a withdraw: function = gfs2_meta_indirect_buffer, file = fs/gfs2/meta_io.c, line = 428 (BZ#1872271)
  
• Secure boot key is not loaded with kernel-3.10.0-1159.el7: MODSIGN: Couldn't get UEFI MokListRT (BZ#1876953)

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Affected Products

• Red Hat Enterprise Linux Server - TUS 7.7 x86_64

Fixes

• BZ - 1783498 - CVE-2019-19527 kernel: use-after-free caused by a malicious USB device in the drivers/hid/usbhid/hiddev.c driver

CVEs

• CVE-2019-19527

References

• https://access.redhat.com/security/updates/classification/#moderate