Vulnerability Description
The net_tx_pkt_do_sw_fragmentation function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a zero length for the current fragment length.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.6.2 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ead315e43ea0c2ca3491209c6c8db8ce3
- http://www.openwall.com/lists/oss-security/2016/08/11/8Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/08/18/7Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/92446Third Party AdvisoryVDB Entry
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg01601.htmlPatchThird Party Advisory
- https://security.gentoo.org/glsa/201609-01Third Party Advisory
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ead315e43ea0c2ca3491209c6c8db8ce3
- http://www.openwall.com/lists/oss-security/2016/08/11/8Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/08/18/7Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/92446Third Party AdvisoryVDB Entry
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg01601.htmlPatchThird Party Advisory
- https://security.gentoo.org/glsa/201609-01Third Party Advisory
FAQ
What is CVE-2016-6834?
CVE-2016-6834 is a vulnerability with a CVSS score of 4.4 (MEDIUM). The net_tx_pkt_do_sw_fragmentation function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash)...
How severe is CVE-2016-6834?
CVE-2016-6834 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-6834?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Debian Debian Linux.