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Medium USN-4302-1 9 CVEs

linux, linux-aws, linux-aws-hwe, linux-gcp, linux-gke-4.15, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon, linux-azure vulnerabilities

Published Mar 25, 2020 · Updated Jun 3, 2026

Summary

Paulo Bonzini discovered that the KVM hypervisor implementation in the
Linux kernel could improperly let a nested (level 2) guest access the
resources of a parent (level 1) guest in certain situations. An attacker
could use this to expose sensitive information. (CVE-2020-2732)

Gregory Herrero discovered that the fix for CVE-2019-14615 to address the
Linux kernel not properly clearing data structures on context switches for
certain Intel graphics processors was incomplete. A local attacker could
use this to expose sensitive information. (CVE-2020-8832)

It was discovered that the IPMI message handler implementation in the Linux
kernel did not properly deallocate memory in certain situations. A local
attacker could use this to cause a denial of service (kernel memory
exhaustion). (CVE-2019-19046)

It was discovered that the Intel WiMAX 2400 driver in the Linux kernel did
not properly deallocate memory in certain situations. A local attacker
could use this to cause a denial of service (kernel memory exhaustion).
(CVE-2019-19051)

It was discovered that the Marvell Wi-Fi device driver in the Linux kernel
did not properly deallocate memory in certain error conditions. A local
attacker could use this to possibly cause a denial of service (kernel
memory exhaustion). (CVE-2019-19056)

It was discovered that the Intel(R) Wi-Fi device driver in the Linux kernel
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-2019-19058)

It was discovered that the Brocade BFA Fibre Channel 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-2019-19066)

It was discovered that the Realtek RTL8xxx USB Wi-Fi 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-2019-19068)

It was discovered that ZR364XX Camera USB device driver for the Linux
kernel did not properly initialize memory. A physically proximate attacker
could use this to cause a denial of service (system crash).
(CVE-2019-15217)

Fixed packages 14

ReleasePackageFixed in
Ubuntu · 16.04 LTS 16.04:LTS linux-aws-hwe 4.15.0-1063.67~16.04.1
Ubuntu · 16.04 LTS 16.04:LTS linux-azure 4.15.0-1075.80
Ubuntu · 16.04 LTS 16.04:LTS linux-gcp 4.15.0-1058.62
Ubuntu · 16.04 LTS 16.04:LTS linux-hwe 4.15.0-91.92~16.04.1
Ubuntu · 16.04 LTS 16.04:LTS linux-oracle 4.15.0-1035.38~16.04.1
Ubuntu · 18.04 LTS 18.04:LTS linux 4.15.0-91.92
Ubuntu · 18.04 LTS 18.04:LTS linux-aws 4.15.0-1063.67
Ubuntu · 18.04 LTS 18.04:LTS linux-gke-4.15 4.15.0-1055.58
Ubuntu · 18.04 LTS 18.04:LTS linux-kvm 4.15.0-1056.57
Ubuntu · 18.04 LTS 18.04:LTS linux-oem 4.15.0-1076.86
Ubuntu · 18.04 LTS 18.04:LTS linux-oracle 4.15.0-1035.39
Ubuntu · 18.04 LTS 18.04:LTS linux-raspi2 4.15.0-1057.61
Ubuntu · 18.04 LTS 18.04:LTS linux-snapdragon 4.15.0-1074.81
Ubuntu · Pro 14.04 LTS Pro:14.04:LTS linux-azure 4.15.0-1074.79~14.04.1

Vulnerabilities 9

References

  • report
    https://ubuntu.com/security/CVE-2019-15217
  • report
    https://ubuntu.com/security/CVE-2019-19046
  • report
    https://ubuntu.com/security/CVE-2019-19051
  • report
    https://ubuntu.com/security/CVE-2019-19056
  • report
    https://ubuntu.com/security/CVE-2019-19058
  • report
    https://ubuntu.com/security/CVE-2019-19066
  • report
    https://ubuntu.com/security/CVE-2019-19068
  • report
    https://ubuntu.com/security/CVE-2020-2732
  • report
    https://ubuntu.com/security/CVE-2020-8832