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.
EPSS: 0.012 (64.8th percentile) — read the EPSS interpretation.
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.
Affected products
- Qemu
- Fedoraproject Fedora — versions 36, 37
- N/a 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
- secalert@redhat.com (Patch, Third Party Advisory)
- secalert@redhat.com (vendor-advisory)
- secalert@redhat.com (vendor-advisory)
- secalert@redhat.com (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.