Vulnerability Description
The vmxnet_tx_pkt_parse_headers function in hw/net/vmxnet_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (buffer over-read) by leveraging failure to check IP header length.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | < 2.6.0 |
| Redhat | Virtualization | 4.0 |
| Redhat | Enterprise Linux | 7.0 |
| Debian | Debian Linux | 8.0 |
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=93060258ae748573ca7197204125a2670
- http://www.openwall.com/lists/oss-security/2016/08/11/7Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/08/18/4Mailing ListThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-stable/2016-08/msg00077.htmlPatchVendor Advisory
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=93060258ae748573ca7197204125a2670
- http://www.openwall.com/lists/oss-security/2016/08/11/7Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/08/18/4Mailing ListThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-stable/2016-08/msg00077.htmlPatchVendor Advisory
FAQ
What is CVE-2016-6835?
CVE-2016-6835 is a vulnerability with a CVSS score of 6.0 (MEDIUM). The vmxnet_tx_pkt_parse_headers function in hw/net/vmxnet_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (buffer over-read) by leveraging failu...
How severe is CVE-2016-6835?
CVE-2016-6835 has been rated MEDIUM with a CVSS base score of 6.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-6835?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Redhat Virtualization, Redhat Enterprise Linux, Debian Debian Linux.