CVE-2014-3640
UnknownEPSS 0.40%
Last modified
CVE-2014-3640 is a vulnerability of currently unknown severity. The sosendto function in slirp/udp.c in QEMU before 2.1.2 allows local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized socket.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
Description
The sosendto function in slirp/udp.c in QEMU before 2.1.2 allows local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized socket.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 7.0 |
| Qemu | Qemu | 2.0.0 |
| Qemu | Qemu | 2.0.2 |
| Qemu | Qemu | 2.1.0 |
| Qemu | Qemu | 2.1.1 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Hpc Node | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Canonical | Ubuntu Linux | 10.04 |
| Canonical | Ubuntu Linux | 12.04 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 14.10 |
References
- http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg03543.htmlPatch, Vendor Advisory
- http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04598.htmlPatch, Vendor Advisory
- http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04707.htmlPatch, Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2015-0349.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-0624.htmlThird Party Advisory
- http://www.debian.org/security/2014/dsa-3045Third Party Advisory
- http://www.ubuntu.com/usn/USN-2409-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1144818Issue Tracking
- http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg03543.htmlPatch, Vendor Advisory
- http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04598.htmlPatch, Vendor Advisory
- http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04707.htmlPatch, Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2015-0349.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2015-0624.htmlThird Party Advisory
- http://www.debian.org/security/2014/dsa-3045Third Party Advisory
- http://www.ubuntu.com/usn/USN-2409-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1144818Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2014-3640?
The sosendto function in slirp/udp.c in QEMU before 2.1.2 allows local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized socket.
How severe is CVE-2014-3640?
Severity scoring for CVE-2014-3640 is pending analysis. The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.
How do I fix CVE-2014-3640?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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