Vulnerability in Qemu
CVE-2016-6835
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.
EPSS: 0.001 (22.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Qemu
- Debian Debian_linux — versions 8.0
- Redhat Enterprise_linux — versions 7.0
- Redhat Virtualization — versions 4.0
- N/a — versions n/a
References
- [qemu-devel] 20160810 Re: [PATCH] net: vmxnet: check IP header length (Vendor Advisory, mailing-list, x_refsource_MLIST, Patch)
- [debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security update (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- [oss-security] 20160812 CVE request Qemu: buffer overflow in vmxnet_tx_pkt_parse_headers() in vmxnet3 device emulation (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM)
- [oss-security] 20160817 Re: CVE request Qemu: buffer overflow in vmxnet_tx_pkt_parse_headers() in vmxnet3 device emulation (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- RHSA-2017:2392 (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-6835?
- CVE-2016-6835 is a medium-severity vulnerability in Qemu. CVSS score: 6.0/10. Published 2016-12-10.
- How severe is CVE-2016-6835?
- Medium severity. CVSS v3 base score is 6.0 out of 10.