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
- v3.0•MEDIUM•Score: 5.3CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
- v3.0•MEDIUM•Score: 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- v2.0•LOW•Score: 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-200•Exposure 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
- canonical•ubuntu_linux
14.04 | 16.04
- debian•debian_linux
8.0
- linux•linux_kernel
≤ 4.14
- redhat•enterprise_linux
7.0
- [unknown]•kernel:
n/a
References (11)
- http://www.securityfocus.com/bid/106009
- https://usn.ubuntu.com/3879-2/
- https://seclists.org/oss-sec/2018/q4/169
- https://usn.ubuntu.com/3879-1/
- https://lore.kernel.org/patchwork/patch/1011367/
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16862
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
- https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
- https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
- https://usn.ubuntu.com/4094-1/
- https://usn.ubuntu.com/4118-1/