NULL pointer dereference in Qemu
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 socket.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 2.1 (Low). Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.004 (32.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Qemu — versions 2.0.0, 2.0.2, 2.1.0
- Canonical Ubuntu Linux — versions 10.04, 12.04, 14.04
- Debian Linux — versions 7.0
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Hpc Node — versions 7.0
- Red Hat Enterprise Linux Server — versions 7.0
- Red Hat Enterprise Linux Workstation — versions 7.0
Weakness classification (CWE)
References
- www.debian.org/security/2014/dsa-3045 (vendor-advisory, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking)
- rhn.redhat.com/errata/RHSA-2015-0624.html (vendor-advisory, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2015-0349.html (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2014/dsa-3044 (vendor-advisory)
- lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04598.html (Vendor Advisory, mailing-list, Patch)
- lists.nongnu.org/archive/html/qemu-devel/2014-09/msg03543.html (Vendor Advisory, mailing-list, Patch)
- lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04707.html (Vendor Advisory, mailing-list, Patch)
- www.ubuntu.com/usn/USN-2409-1 (vendor-advisory, Third Party Advisory)