CVE-2018-20855

Advisory lineage Upstream: 0 Downstream: 16
Modified
Published: 26 Jul 2019, 04:39
Last modified:05 Aug 2024, 12:12

Vulnerability Summary

Overall Risk (default)
low
13/100
CVSS Score
3.3 LOW
v3.1 (nvd)
EPSS Score
0.11% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

26 Jul 2019, 04:39
Published
Vulnerability first disclosed
05 Aug 2024, 12:12
Last Modified
Vulnerability information updated

Description

An issue was discovered in the Linux kernel before 4.18.7. In create_qp_common in drivers/infiniband/hw/mlx5/qp.c, mlx5_ib_create_qp_resp was never initialized, resulting in a leak of stack memory to userspace.

CVSS Metrics

  • v3.1•LOW•Score: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
  • v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:P/I:N/A:N

EPSS Trends

Current EPSS score: 0.11%• Percentile: 29%

Techniques & Countermeasures

  • CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer

    The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Affected Systems

  • linux•linux_kernel

    < 4.18.7

  • netapp•active_iq_performance_analytics_services

    na

  • netapp•active_iq_unified_manager

    ≥ 9.5

  • netapp•data_availability_services

    na

  • netapp•element_software

    na

  • opensuse•leap

    15.0 | 15.1

References (6)