CVE-2018-16862
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
6.4 Medium
AI Score
Confidence
High
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
0.001 Low
EPSS
Percentile
25.4%
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.
References
www.securityfocus.com/bid/106009
bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16862
lists.debian.org/debian-lts-announce/2019/03/msg00017.html
lists.debian.org/debian-lts-announce/2019/03/msg00034.html
lists.debian.org/debian-lts-announce/2019/04/msg00004.html
lore.kernel.org/patchwork/patch/1011367/
seclists.org/oss-sec/2018/q4/169
usn.ubuntu.com/3879-1/
usn.ubuntu.com/3879-2/
usn.ubuntu.com/4094-1/
usn.ubuntu.com/4118-1/
Related
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
6.4 Medium
AI Score
Confidence
High
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
0.001 Low
EPSS
Percentile
25.4%