MEDIUM
CVE-2018-16597
CWE-863Published: September 21, 2018· Updated: Jun 17, 2026
5.5
CVSS v3.1
Official Description
An issue was discovered in the Linux kernel before 4.8. Incorrect access checking in overlayfs mounts could be used by local attackers to modify or truncate files in the underlying filesystem.
Technical Analysis
CVE-2018-16597 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 5.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (16)
→
http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00033.htmlMailing List · Third Party Advisory
→
http://www.securityfocus.com/bid/105394Third Party Advisory · VDB Entry
→
https://bugzilla.suse.com/show_bug.cgi?id=1106512Issue Tracking · Patch · Third Party Advisory
→
→
https://security.netapp.com/advisory/ntap-20190204-0001/Patch · Third Party Advisory
→
https://support.f5.com/csp/article/K22691834Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00033.htmlMailing List · Third Party Advisory
→
http://www.securityfocus.com/bid/105394Third Party Advisory · VDB Entry
→
https://bugzilla.suse.com/show_bug.cgi?id=1106512Issue Tracking · Patch · Third Party Advisory
→
→
https://security.netapp.com/advisory/ntap-20190204-0001/Patch · Third Party Advisory
Quick Facts
CVE IDCVE-2018-16597
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-863
CISA KEVNo
Affected3 vendor(s)
PublishedSep 21, 2018
Related CVEs (CWE-863)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2018-16597 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.