Home/CVE/The sosendto function in slirp/udp.c in QEMU before 2.1.2 allows local users to cause a denial of service (NULL pointer
CVE

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

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.

LOW · CVSS 2.1 EPSS 0.00059
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

7
debian linuxall versions
qemuall versions
redhat enterprise linux desktopall versions
redhat enterprise linux hpc nodeall versions
redhat enterprise linux serverall versions
redhat enterprise linux workstationall versions
canonical ubuntu linuxall versions
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPotentially Suspicious Usage Of Qemu
▣

Scoring & Timeline

2.1
LOW · CVSS v2 (legacy) · secalert@redhat.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:L/AC:L/Au:N/C:N/I:N/A:P
Published to NVD07 Nov 2014 · 07:55 PM
⚑

Vendor Advisories

10
suse-csafopenSUSE-SU-2024:10196-1
suse-csafSUSE-SU-2016:1745-1
suse-csafSUSE-SU-2016:1318-1
suse-csafSUSE-SU-2016:1154-1
suse-csafSUSE-SU-2016:0955-1
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg03543.htmlPatchVendor Advisory
http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04598.htmlPatchVendor Advisory
http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04707.htmlPatchVendor 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
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