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…
Does this matter?
Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 2.1 LOWAV:L/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 0.40% probability · 34th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- debian/debian linux · qemu/qemu · redhat/enterprise linux desktop · redhat/enterprise linux hpc node · redhat/enterprise linux server · redhat/enterprise linux workstation · canonical/ubuntu linux
- Source
- secalert@redhat.com
EPSS 0.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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-3044
- 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-3044
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.