CVE-2016-2391

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

0.40% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 32.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/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

2016-06-16 18:00Z10 YR AGO

Last updated

2024-08-05 23:24Z2 YR AGO

Reserved

2016-02-16

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.1

Document digest

b6d00d53878aa2815c0731ffa8f638f5a8f8448ca0e38209504b263d27f50240

• www.securityfocus.com83263http://www.securityfocus.com/bid/83263vdb-entryx_refsource_BID
• git.qemu.orghttp://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=fa1298c2d623522eda7b4f1f721fcb935abb7360x_refsource_CONFIRM
• www.openwall.com[oss-security] 20160216 CVE request Qemu: usb: multiple eof_timers in ohci leads to null pointer dereferencehttp://www.openwall.com/lists/oss-security/2016/02/16/2mailing-listx_refsource_MLIST
• www.ubuntu.comUSN-2974-1http://www.ubuntu.com/usn/USN-2974-1vendor-advisoryx_refsource_UBUNTU
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1304794x_refsource_CONFIRM
• lists.debian.org[debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security updatehttps://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlmailing-listx_refsource_MLIST
• lists.gnu.org[qemu-devel] 20160216 [Qemu-devel] [PATCH] usb: ohci avoid multiple eof timershttps://lists.gnu.org/archive/html/qemu-devel/2016-02/msg03374.htmlmailing-listx_refsource_MLIST