CVE-2016-7995
Memory leak in the ehci_process_itd function in hw/usb/hcd-ehci.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption) via a large number
02 Description
Memory leak in the ehci_process_itd function in hw/usb/hcd-ehci.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption) via a large number
03 Exploitation and scoring
- 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
- Equal to or higher than the score of 33.3% of scored records. A rank, not a probability.
- NVD base score
- 6.0 (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:C/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.
04 Metadata
- Published
- 2016-12-10 00:00Z9 YR AGO
- Last updated
- 2024-08-06 02:13Z2 YR AGO
- Reserved
- 2016-09-09
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-772Missing Release of Resource after Effective LifetimeBase
- Data version
- 5.1
- Document digest
- 064464df45b4fa5a0ec695d5275573eaf965a1ba9f1d7509dec740c326efdf78
05 Affected products
06 References
- lists.gnu.org[qemu-devel] 20160926 Re: [PATCH] usb: ehci: fix memory leak in ehci_process_itdhttps://lists.gnu.org/archive/html/qemu-devel/2016-09/msg06609.html
- lists.opensuse.orgopenSUSE-SU-2016:3237http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
- git.qemu.orghttp://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=b16c129daf0fed91febbb88de23dae8271c8898a
- www.openwall.com[oss-security] 20161007 CVE request Qemu: usb: hcd-ehci: memory leak in ehci_process_itdhttp://www.openwall.com/lists/oss-security/2016/10/07/3
- www.openwall.com[oss-security] 20161008 Re: CVE request Qemu: usb: hcd-ehci: memory leak in ehci_process_itdhttp://www.openwall.com/lists/oss-security/2016/10/08/4
- www.securityfocus.com93454http://www.securityfocus.com/bid/93454
07 Fixed in
Debian 12
- qemu Fixed in 1:2.8+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- qemu Fixed in 1:2.8+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- qemu Fixed in 1:2.8+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.