Integer overflow in Qemu
CVE-2022-3165
An integer underflow issue was found in the QEMU VNC server while processing ClientCutText messages in the extended format. A malicious client could use this flaw to make QEMU unresponsive by sending a specially crafted payload message, resulting in a denial of service.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.012 (68.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: +0.000
Affected products
- Qemu
- Fedoraproject Fedora — versions 36, 37
- Qemu — versions Affected 6.1.0 and later. Will be fixed in 7.2.0-rc0.
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gitlab.com/qemu-project/qemu/-/commit/d307040b18 (Patch, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.netapp.com/advisory/ntap-20221223-0006/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-3165?
- CVE-2022-3165 is a medium-severity vulnerability in Qemu, classified under Integer Underflow. CVSS score: 6.5/10. Published 2022-10-17.
- How severe is CVE-2022-3165?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2022-3165 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.