CVE-2020-8992

Advisory lineage Upstream: 0 Downstream: 20
Modified
Published: 14 Feb 2020, 04:27
Last modified:04 Aug 2024, 10:19

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.05% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

14 Feb 2020, 04:27
Published
Vulnerability first disclosed
04 Aug 2024, 10:19
Last Modified
Vulnerability information updated

Description

ext4_protect_reserved_inode in fs/ext4/block_validity.c in the Linux kernel through 5.5.3 allows attackers to cause a denial of service (soft lockup) via a crafted journal size.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/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: 0.05%• Percentile: 17%

Techniques & Countermeasures

  • CWE-400•Uncontrolled Resource Consumption

    The product does not properly control the allocation and maintenance of a limited resource.

  • CWE-834•Excessive Iteration

    The product performs an iteration or loop without sufficiently limiting the number of times that the loop is executed.

Affected Systems

  • canonical•ubuntu_linux

    14.04 | 16.04 | 18.04 | 19.10

  • linux•linux_kernel

    ≤ 5.5.3

  • netapp•active_iq_unified_manager

    na

  • netapp•cloud_backup

    na

  • netapp•data_availability_services

    na

  • netapp•h410c_firmware

    na

  • netapp•hci_management_node

    na

  • netapp•solidfire

    na

  • netapp•steelstore_cloud_integrated_storage

    na

  • opensuse•leap

    15.1

References (8)