CVE-2018-16862
kernel: cleancache: Infoleak of deleted files after reuse of old inodes
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · November 24, 2018
Updated · June 28, 2026
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 score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 5.3CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor