CVE-2020-14386

Advisory lineage Upstream: 0 Downstream: 39
Modified
Published: 16 Sept 2020, 12:48
Last modified:04 Aug 2024, 12:46

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
0.64% LOW
1% probability +0.04%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

16 Sept 2020, 12:48
Published
Vulnerability first disclosed
04 Aug 2024, 12:46
Last Modified
Vulnerability information updated

Description

A flaw was found in the Linux kernel before 5.9-rc4. Memory corruption can be exploited to gain root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.7CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v2.0•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 0.64%• Percentile: 71%

Techniques & Countermeasures

  • CWE-787•Out-of-bounds Write

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

  • CWE-250•Execution with Unnecessary Privileges

    The product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.

Affected Systems

  • debian•debian_linux

    9.0

  • fedoraproject•fedora

    33

  • linux kernel•kernel

    < 5.9-rc4

  • linux•linux_kernel

    ≥ 4.6, < 4.9.239 | ≥ 4.10, < 4.14.201 | ≥ 4.15, < 4.19.150 | ≥ 4.20, < 5.4.64 | ≥ 5.5, < 5.8.8 | 5.9.0:rc1 | 5.9.0:rc2 | 5.9.0:rc3

  • opensuse•leap

    15.1

References (12)