CVE-2019-18660

Aliases:UBUNTU-CVE-2019-18660DEBIAN-CVE-2019-18660
Advisory lineage Upstream: 0 Downstream: 30
Modified
Published: 27 Nov 2019, 22:11
Last modified:05 Aug 2024, 01:54

Vulnerability Summary

Overall Risk (default)
low
19/100
CVSS Score
4.7 MEDIUM
v3.1 (nvd)
EPSS Score
0.74% LOW
1% probability +0.71%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

27 Nov 2019, 22:11
Published
Vulnerability first disclosed
05 Aug 2024, 01:54
Last Modified
Vulnerability information updated

Description

The Linux kernel before 5.4.1 on powerpc allows Information Exposure because the Spectre-RSB mitigation is not in place for all applicable CPUs, aka CID-39e72bf96f58. This is related to arch/powerpc/kernel/entry_64.S and arch/powerpc/kernel/security.c.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
  • v2.0•LOW•Score: 1.9AV:L/AC:M/Au:N/C:P/I:N/A:N

EPSS Trends

Current EPSS score: 0.74%• Percentile: 53%

Techniques & Countermeasures

  • CWE-200•Exposure of Sensitive Information to an Unauthorized Actor

    The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Affected Systems

  • canonical•ubuntu_linux

    14.04 | 16.04 | 18.04 | 19.04 | 19.10

  • debian•linux

    < 5.3.15-1 | < 5.3.15-1 | < 5.3.15-1 | < 5.3.15-1

  • ubuntu•linux

    all | < 4.4.0-171.200 | < 4.15.0-74.84

  • ubuntu•linux-aws

    < 4.4.0-1060.64 | < 4.4.0-1100.111 | < 4.15.0-1057.59

  • ubuntu•linux-aws-5.0

    < 5.0.0-1023.26~18.04.1

  • ubuntu•linux-aws-fips

    < 4.15.0-2018.18 | all

  • ubuntu•linux-aws-hwe

    < 4.15.0-1057.59~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1066.71~14.04.1 | < 4.15.0-1066.71 | < 5.0.0-1028.30~18.04.1

  • ubuntu•linux-azure-5.3

    < 5.3.0-1009.10~18.04.1

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    all

  • ubuntu•linux-azure-fde-5.15

    < 5.15.0-1114.123~20.04.1

  • ubuntu•linux-azure-fips

    < 4.15.0-2006.7 | all

  • ubuntu•linux-bluefield

    all

  • ubuntu•linux-fips

    < 4.4.0-1027.32 | all

  • ubuntu•linux-gcp

    < 4.15.0-1052.56 | < 5.0.0-1028.29~18.04.1

  • ubuntu•linux-gcp-5.3

    < 5.3.0-1010.11~18.04.1

  • ubuntu•linux-gcp-edge

    all

  • ubuntu•linux-gcp-fips

    all

  • ubuntu•linux-gke

    all

  • ubuntu•linux-gke-4.15

    < 4.15.0-1050.53

  • ubuntu•linux-gke-5.0

    < 5.0.0-1027.28~18.04.1

  • ubuntu•linux-hwe

    < 4.15.0-74.83~16.04.1 | < 5.3.0-26.28~18.04.1

  • ubuntu•linux-hwe-edge

    all | all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.4.0-1064.71 | < 4.15.0-1052.52

  • ubuntu•linux-lts-xenial

    < 4.4.0-171.200~14.04.1

  • ubuntu•linux-oem

    < 4.15.0-1066.76

  • ubuntu•linux-oem-osp1

    < 5.0.0-1033.38

  • ubuntu•linux-oracle

    < 4.15.0-1031.34~16.04.1 | < 4.15.0-1031.34

  • ubuntu•linux-oracle-5.0

    < 5.0.0-1009.14~18.04.1

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    < 4.4.0-1127.136 | < 4.15.0-1053.57 | all

  • ubuntu•linux-realtime

    all

  • ubuntu•linux-riscv

    all | all

  • ubuntu•linux-snapdragon

    < 4.4.0-1131.139 | < 4.15.0-1070.77

  • fedoraproject•fedora

    30 | 31

  • linux•linux_kernel

    < 5.4.1

  • opensuse•leap

    15.1

  • redhat•enterprise_linux

    6.0 | 7.0 | 8.0

References (28)