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CVE-2018-16862

Public on 2018-11-26
Modified on 2018-12-20
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.

Severity
Medium
See what this means
CVSS v3 Base Score
5.3
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2018-12-20 00:02 ALAS-2018-1133
Amazon Linux 2 - Core kernel 2018-12-17 19:37 ALAS2-2018-1133

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.3 CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
NVD CVSSv2 2.1 AV:L/AC:L/Au:N/C:P/I:N/A:N
NVD CVSSv3 5.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N