CVE-2019-13648

Aliases:UBUNTU-CVE-2019-13648DEBIAN-CVE-2019-13648
Advisory lineage Upstream: 0 Downstream: 23
Modified
Published: 19 Jul 2019, 12:53
Last modified:04 Aug 2024, 23:57

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.0 (nvd)
EPSS Score
0.59% LOW
1% probability +0.50%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

19 Jul 2019, 12:53
Published
Vulnerability first disclosed
04 Aug 2024, 23:57
Last Modified
Vulnerability information updated

Description

In the Linux kernel through 5.2.1 on the powerpc platform, when hardware transactional memory is disabled, a local user can cause a denial of service (TM Bad Thing exception and system crash) via a sigreturn() system call that sends a crafted signal frame. This affects arch/powerpc/kernel/signal_32.c and arch/powerpc/kernel/signal_64.c.

CVSS Metrics

  • v4.0•MEDIUM•Score: 6.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  • v3.0•MEDIUM•Score: 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 0.59%• Percentile: 47%

Techniques & Countermeasures

  • CWE-399•Resource Management Errors

    Weaknesses in this category are related to improper management of system resources.

Affected Systems

  • debian•linux

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

  • ubuntu•linux

    all | < 4.4.0-161.189 | < 4.15.0-60.67

  • ubuntu•linux-aws

    < 4.4.0-1054.58

  • ubuntu•linux-aws-fips

    < 4.15.0-2018.18 | all

  • ubuntu•linux-azure

    < 4.15.0-1059.64~14.04.1

  • ubuntu•linux-azure-fde

    all

  • ubuntu•linux-azure-fips

    < 4.15.0-2006.7 | all

  • ubuntu•linux-bluefield

    all

  • ubuntu•linux-fips

    < 4.4.0-1019.24 | all

  • ubuntu•linux-gcp-fips

    all

  • ubuntu•linux-gke

    all

  • ubuntu•linux-hwe

    < 4.15.0-60.67~16.04.1 | < 5.0.0-27.28~18.04.1

  • ubuntu•linux-hwe-edge

    all

  • ubuntu•linux-intel-iot-realtime

    all

  • ubuntu•linux-lts-xenial

    < 4.4.0-164.192~14.04.1

  • ubuntu•linux-oem-osp1

    < 5.0.0-1020.22

  • ubuntu•linux-raspi-realtime

    all

  • ubuntu•linux-realtime

    all

  • ubuntu•linux-riscv

    all | all

  • linux•linux_kernel

    ≤ 5.2.1

References (23)