CVE-2018-16862

Advisory lineage Upstream: 0 Downstream: 20
Modified
Published: 26 Nov 2018, 19:00
Last modified:05 Aug 2024, 10:32

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.0 (nvd)
EPSS Score
0.03% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

26 Nov 2018, 19:00
Published
Vulnerability first disclosed
05 Aug 2024, 10:32
Last Modified
Vulnerability information updated

Description

A security flaw was found in the Linux kernel in a way that the cleancache subsystem clears an inode after the final file truncation (removal). The new file created with the same inode may contain leftover pages from cleancache and the old file data instead of the new one.

CVSS Metrics

  • v3.0MEDIUMScore: 5.3CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
  • v3.0MEDIUMScore: 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • v2.0LOWScore: 2.1AV:L/AC:L/Au:N/C:P/I:N/A:N

EPSS Trends

Current EPSS score: 0.03% Percentile: 8%

Techniques & Countermeasures

  • CWE-200Exposure of Sensitive Information to an Unauthorized Actor

    The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Affected Systems

  • canonicalubuntu_linux

    14.04 | 16.04

  • debiandebian_linux

    8.0

  • linuxlinux_kernel

    ≤ 4.14

  • redhatenterprise_linux

    7.0

  • [unknown]kernel:

    n/a

References (11)