CVE-2016-6833

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.39% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 32.2% of scored records. A rank, not a probability.

NVD base score

4.4 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2016-12-10 00:00Z9 YR AGO

Last updated

2024-08-06 01:43Z2 YR AGO

Reserved

2016-08-17

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.1

Document digest

fffac74e606e86e0d089c8486ecc695b8f40331e2c99a56486e74e8c9454a24c

• www.securityfocus.com93255http://www.securityfocus.com/bid/93255vdb-entryx_refsource_BID
• lists.debian.org[debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security updatehttps://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlmailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20160812 CVE request: Qemu net: vmxnet3: use after free while writinghttp://www.openwall.com/lists/oss-security/2016/08/12/1mailing-listx_refsource_MLIST
• lists.gnu.org[qemu-devel] 20160809 [PULL 2/3] net: vmxnet3: check for device_active before writehttps://lists.gnu.org/archive/html/qemu-devel/2016-08/msg01602.htmlmailing-listx_refsource_MLIST
• security.gentoo.orgGLSA-201609-01https://security.gentoo.org/glsa/201609-01vendor-advisoryx_refsource_GENTOO
• www.openwall.com[oss-security] 20160817 Re: CVE request: Qemu net: vmxnet3: use after free while writinghttp://www.openwall.com/lists/oss-security/2016/08/18/3mailing-listx_refsource_MLIST
• git.qemu.orghttp://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=6c352ca9b4ee3e1e286ea9e8434bd8e69ac7d0d8x_refsource_CONFIRM