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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…
- 2.1LowCVSS base score
- 0.40%Exploitation in 30 daysEPSS · top 65% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By redhat
- 6 months later
· 6 months later
Published
- 10 years later
· 10 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 0.40% · top 65% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.
Affected products
n/a
- affected n/a
References
9
- DSA-3045 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1144818 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2015:0624 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2015:0349 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- DSA-3044 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- [Qemu-devel] 20140923 Re: [PATCH v2] slirp: udp: fix NULL pointer dereference because of uninitialized socket (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [Qemu-devel] 20140918 [PATCH v2] slirp: udp: fix NULL pointer dereference because of uninitialized socket (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [Qemu-devel] 20140924 Re: [PATCH v2] slirp: udp: fix NULL pointer dereference because of uninitialized socket (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-2409-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2014-3598 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2014-3640)Record last updated .