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OpenAdvisories
Medium USN-4254-1 9 CVEs

linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities

Published Jan 28, 2020 · Updated Jun 3, 2026

Summary

It was discovered that the Linux kernel did not properly clear data
structures on context switches for certain Intel graphics processors. A
local attacker could use this to expose sensitive information.
(CVE-2019-14615)

It was discovered that a race condition existed in the Virtual Video Test
Driver in the Linux kernel. An attacker with write access to /dev/video0 on
a system with the vivid module loaded could possibly use this to gain
administrative privileges. (CVE-2019-18683)

It was discovered that the btrfs file system in the Linux kernel did not
properly validate metadata, leading to a NULL pointer dereference. An
attacker could use this to specially craft a file system image that, when
mounted, could cause a denial of service (system crash). (CVE-2019-18885)

It was discovered that multiple memory leaks existed in the Marvell WiFi-Ex
Driver for the Linux kernel. A local attacker could possibly use this to
cause a denial of service (kernel memory exhaustion). (CVE-2019-19057)

It was discovered that the crypto subsystem in the Linux kernel did not
properly deallocate memory in certain error conditions. A local attacker
could use this to cause a denial of service (kernel memory exhaustion).
(CVE-2019-19062)

It was discovered that the Realtek rtlwifi USB device driver in the Linux
kernel did not properly deallocate memory in certain error conditions. A
local attacker could possibly use this to cause a denial of service (kernel
memory exhaustion). (CVE-2019-19063)

Dan Carpenter discovered that the AppleTalk networking subsystem of the
Linux kernel did not properly handle certain error conditions, leading to a
NULL pointer dereference. A local attacker could use this to cause a denial
of service (system crash). (CVE-2019-19227)

It was discovered that the KVM hypervisor implementation in the Linux
kernel did not properly handle ioctl requests to get emulated CPUID
features. An attacker with access to /dev/kvm could use this to cause a
denial of service (system crash). (CVE-2019-19332)

It was discovered that the B2C2 FlexCop USB device driver in the Linux
kernel did not properly validate device metadata. A physically proximate
attacker could use this to cause a denial of service (system crash).
(CVE-2019-15291)

Fixed packages 5

ReleasePackageFixed in
Ubuntu · 16.04 LTS 16.04:LTS linux 4.4.0-173.203
Ubuntu · 16.04 LTS 16.04:LTS linux-aws 4.4.0-1101.112
Ubuntu · 16.04 LTS 16.04:LTS linux-kvm 4.4.0-1065.72
Ubuntu · 16.04 LTS 16.04:LTS linux-raspi2 4.4.0-1128.137
Ubuntu · 16.04 LTS 16.04:LTS linux-snapdragon 4.4.0-1132.140

Vulnerabilities 9

References

  • report
    https://ubuntu.com/security/CVE-2019-14615
  • report
    https://ubuntu.com/security/CVE-2019-15291
  • report
    https://ubuntu.com/security/CVE-2019-18683
  • report
    https://ubuntu.com/security/CVE-2019-18885
  • report
    https://ubuntu.com/security/CVE-2019-19057
  • report
    https://ubuntu.com/security/CVE-2019-19062
  • report
    https://ubuntu.com/security/CVE-2019-19063
  • report
    https://ubuntu.com/security/CVE-2019-19227
  • report
    https://ubuntu.com/security/CVE-2019-19332