CVE-2018-16862

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.53% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 44.5% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2018-11-26 19:00Z7 YR AGO

Last updated

2024-08-05 10:32Z2 YR AGO

Reserved

2018-09-11

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N

Weaknesses

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

Data version

5.1

Document digest

82abb9a1a5112830aad1a24a7ac6b55ab50d0b9d3ac78643eb82414c6db099b0

• www.securityfocus.com106009http://www.securityfocus.com/bid/106009vdb-entryx_refsource_BID
• usn.ubuntu.comUSN-3879-2https://usn.ubuntu.com/3879-2/vendor-advisoryx_refsource_UBUNTU
• seclists.org[oss-security] 20181123 CVE-2018-16862: Linux kernel: cleancache: deleted files infoleakhttps://seclists.org/oss-sec/2018/q4/169mailing-listx_refsource_MLIST
• usn.ubuntu.comUSN-3879-1https://usn.ubuntu.com/3879-1/vendor-advisoryx_refsource_UBUNTU
• lore.kernel.orghttps://lore.kernel.org/patchwork/patch/1011367/x_refsource_CONFIRM
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16862x_refsource_CONFIRM
• lists.debian.org[debian-lts-announce] 20190315 [SECURITY] [DLA 1715-1] linux-4.9 security updatehttps://lists.debian.org/debian-lts-announce/2019/03/msg00017.htmlmailing-listx_refsource_MLIST
• lists.debian.org[debian-lts-announce] 20190327 [SECURITY] [DLA 1731-1] linux security updatehttps://lists.debian.org/debian-lts-announce/2019/03/msg00034.htmlmailing-listx_refsource_MLIST
• lists.debian.org[debian-lts-announce] 20190401 [SECURITY] [DLA 1731-2] linux regression updatehttps://lists.debian.org/debian-lts-announce/2019/04/msg00004.htmlmailing-listx_refsource_MLIST
• usn.ubuntu.comUSN-4094-1https://usn.ubuntu.com/4094-1/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-4118-1https://usn.ubuntu.com/4118-1/vendor-advisoryx_refsource_UBUNTU