MEDIUM
CVE-2018-15746
NVD-CWE-noinfoPublished: August 29, 2018· Updated: Jun 17, 2026
5.5
CVSS v3.1
Official Description
qemu-seccomp.c in QEMU might allow local OS guest users to cause a denial of service (guest crash) by leveraging mishandling of the seccomp policy for threads other than the main thread.
Technical Analysis
CVE-2018-15746 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 availability disruption (denial of service), 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
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
qemu1 product(s)
qemu
Source: NVD CPE · 1 total CPE entries
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 (6)
→
http://www.openwall.com/lists/oss-security/2018/08/28/6Mailing List · Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2019:2425Third Party Advisory
→
https://lists.gnu.org/archive/html/qemu-devel/2018-08/msg04892.htmlMailing List · Patch · Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2018/08/28/6Mailing List · Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2019:2425Third Party Advisory
→
https://lists.gnu.org/archive/html/qemu-devel/2018-08/msg04892.htmlMailing List · Patch · Third Party Advisory
Quick Facts
CVE IDCVE-2018-15746
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedAug 29, 2018
Related CVEs (NVD-CWE-noinfo)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2018-15746 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.COM. CVE data is provided under the NVD usage policy.