MEDIUM
CVE-2018-19489
CWE-362Published: December 13, 2018· Updated: Jun 17, 2026
4.7
CVSS v3.1
Official Description
v9fs_wstat in hw/9pfs/9p.c in QEMU allows guest OS users to cause a denial of service (crash) because of a race condition during file renaming.
Technical Analysis
CVE-2018-19489 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 4.7.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityHigh
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
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
ADVISORYhttps://usn.ubuntu.com/3923-1/
ADVISORYhttps://usn.ubuntu.com/3923-1/
All References (24)
→
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.htmlMailing List · Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2018/11/26/1Mailing List · Patch · Third Party Advisory
→
http://www.securityfocus.com/bid/106007Third Party Advisory · VDB Entry
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/153326Third Party Advisory · VDB Entry
→
https://lists.debian.org/debian-lts-announce/2019/01/msg00023.htmlMailing List · Third Party Advisory
→
https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg04489.htmlMailing List · Patch · Vendor Advisory
→
https://seclists.org/bugtraq/2019/May/76Mailing List · Third Party Advisory
→
https://security-tracker.debian.org/tracker/CVE-2018-19489Third Party Advisory
→
https://usn.ubuntu.com/3923-1/Third Party Advisory
→
https://www.debian.org/security/2019/dsa-4454Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.htmlMailing List · Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2018/11/26/1Mailing List · Patch · Third Party Advisory
→
http://www.securityfocus.com/bid/106007Third Party Advisory · VDB Entry
Quick Facts
CVE IDCVE-2018-19489
CVSS Score4.7 / 10
SeverityMEDIUM
WeaknessCWE-362
CISA KEVNo
Affected5 vendor(s)
PublishedDec 13, 2018
Related CVEs (CWE-362)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2018-19489 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.