CVE-2020-14390

Advisory lineage Upstream: 0 Downstream: 25
Modified
Published: 18 Sept 2020, 17:42
Last modified:04 Aug 2024, 12:46

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.6 MEDIUM
v3.1 (nvd)
EPSS Score
0.16% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

18 Sept 2020, 17:42
Published
Vulnerability first disclosed
04 Aug 2024, 12:46
Last Modified
Vulnerability information updated

Description

A flaw was found in the Linux kernel in versions before 5.9-rc6. When changing screen size, an out-of-bounds memory write can occur leading to memory corruption or a denial of service. Due to the nature of the flaw, privilege escalation cannot be fully ruled out.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.6CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H
  • v2.0•MEDIUM•Score: 4.6AV:L/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.16%• Percentile: 37%

Techniques & Countermeasures

  • CWE-787•Out-of-bounds Write

    The product writes data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • debian•debian_linux

    9.0

  • linux•linux_kernel

    ≥ 2.2.3, < 5.9.0 | 5.9.0 | 5.9.0:rc1 | 5.9.0:rc2 | 5.9.0:rc3 | 5.9.0:rc4 | 5.9.0:rc5

References (5)