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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.40% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 34.4% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2014-11-07 19:00Z11 YR AGO
- Last updated
- 2024-08-06 10:50Z2 YR AGO
- Reserved
- 2014-05-14
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-476NULL Pointer DereferenceBase
- Data version
- 5.1
- Document digest
- d499fbbd466ed555052bc349aa39ca2e66286d842f6241563283cef0a11edf05
05 Affected products
06 References
- www.debian.orgDSA-3045http://www.debian.org/security/2014/dsa-3045
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1144818
- rhn.redhat.comRHSA-2015:0624http://rhn.redhat.com/errata/RHSA-2015-0624.html
- rhn.redhat.comRHSA-2015:0349http://rhn.redhat.com/errata/RHSA-2015-0349.html
- www.debian.orgDSA-3044http://www.debian.org/security/2014/dsa-3044
- lists.nongnu.org[Qemu-devel] 20140923 Re: [PATCH v2] slirp: udp: fix NULL pointer dereference because of uninitialized sockethttp://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04598.html
- lists.nongnu.org[Qemu-devel] 20140918 [PATCH v2] slirp: udp: fix NULL pointer dereference because of uninitialized sockethttp://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg03543.html
- lists.nongnu.org[Qemu-devel] 20140924 Re: [PATCH v2] slirp: udp: fix NULL pointer dereference because of uninitialized sockethttp://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04707.html
- www.ubuntu.comUSN-2409-1http://www.ubuntu.com/usn/USN-2409-1
07 Fixed in
Debian 12
- qemu Fixed in 2.1+dfsg-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- qemu Fixed in 2.1+dfsg-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- qemu Fixed in 2.1+dfsg-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- qemu Fixed in 2.0.0+dfsg-2ubuntu1.7
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.