CVE-2014-3640
qemu: slirp: NULL pointer deref in sosendto()
Severity
LowRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · September 17, 2014
Updated · June 28, 2026
Description
A NULL pointer dereference flaw was found in the way QEMU handled UDP packets with a source port and address of 0 when QEMU's user networking was in use. A local guest user could use this flaw to crash the guest.
Statement
This issue did not affect the kvm package as shipped with Red Hat Enterprise Linux 5.
Red Hat Product Security has rated this issue as having Low security impact. Future qemu-kvm updates for Red Hat Enterprise Linux 6 and 7 may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 4.4AV:L/AC:M/Au:S/C:N/I:N/A:C
CWE-476 · NULL Pointer Dereference