CVE-2019-15807

Aliases:UBUNTU-CVE-2019-15807DEBIAN-CVE-2019-15807
Advisory lineage Upstream: 0 Downstream: 10
Modified
Published: 29 Aug 2019, 17:32
Last modified:05 Aug 2024, 00:56

Vulnerability Summary

Overall Risk (default)
low
19/100
CVSS Score
4.7 MEDIUM
v3.1 (nvd)
EPSS Score
0.4% LOW
0% probability +0.32%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

29 Aug 2019, 17:32
Published
Vulnerability first disclosed
05 Aug 2024, 00:56
Last Modified
Vulnerability information updated

Description

In the Linux kernel before 5.1.13, there is a memory leak in drivers/scsi/libsas/sas_expander.c when SAS expander discovery fails. This will cause a BUG and denial of service.

CVSS Metrics

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

EPSS Trends

Current EPSS score: 0.40%• Percentile: 35%

Techniques & Countermeasures

  • CWE-401•Missing Release of Memory after Effective Lifetime

    The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

Affected Systems

  • debian•linux

    < 5.2.6-1 | < 5.2.6-1 | < 5.2.6-1 | < 5.2.6-1

  • ubuntu•linux

    all | < 4.4.0-159.187 | < 4.15.0-60.67

  • ubuntu•linux-aws

    < 4.4.0-1054.58 | < 4.4.0-1090.101 | < 4.15.0-1047.49

  • ubuntu•linux-aws-fips

    < 4.15.0-2018.18 | all

  • ubuntu•linux-aws-hwe

    < 4.15.0-1047.49~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1059.64~14.04.1 | < 4.15.0-1056.61 | < 5.0.0-1014.14~18.04.1

  • ubuntu•linux-azure-fde

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2006.7 | all

  • ubuntu•linux-bluefield

    all

  • ubuntu•linux-fips

    < 4.4.0-1017.22

  • ubuntu•linux-gcp

    < 4.15.0-1041.43 | < 4.15.0-1042.45

  • ubuntu•linux-gcp-fips

    all

  • ubuntu•linux-gke

    all

  • ubuntu•linux-gke-4.15

    < 4.15.0-1041.43

  • ubuntu•linux-hwe

    < 4.15.0-60.67~16.04.1 | < 5.0.0-23.24~18.04.1

  • ubuntu•linux-hwe-edge

    all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-kvm

    < 4.4.0-1054.61 | < 4.15.0-1043.43

  • ubuntu•linux-lts-xenial

    < 4.4.0-164.192~14.04.1

  • ubuntu•linux-oem

    < 4.15.0-1056.65

  • ubuntu•linux-oem-osp1

    < 5.0.0-1015.16

  • ubuntu•linux-oracle

    < 4.15.0-1022.25~16.04.1 | < 4.15.0-1022.25

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-raspi2

    < 4.4.0-1118.127 | < 4.15.0-1044.47

  • ubuntu•linux-realtime

    all

  • ubuntu•linux-riscv

    all | all

  • ubuntu•linux-snapdragon

    < 4.4.0-1122.128 | < 4.15.0-1062.69

  • debian•debian_linux

    8.0

  • linux•linux_kernel

    < 5.1.13

  • redhat•enterprise_linux

    7.0 | 8.0

References (11)