CVE-2016-7466
Memory leak in the usb_xhci_exit function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator), when the xhci uses msix, allows local guest OS administrators to cause a denial of service (memory
02 Description
Memory leak in the usb_xhci_exit function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator), when the xhci uses msix, allows local guest OS administrators to cause a denial of service (memory
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
- 0.42% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 36.1% 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 01:57Z2 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
- Data version
- 5.1
- Document digest
- 291c2e86f03d8dab5b5acc428d9a02c8f0335f52f58fb23d0116a9cf0cdd9a0a
05 Affected products
06 References
- www.openwall.com[oss-security] 20160920 CVE Request Qemu: usb: xhci memory leakage during device unplughttp://www.openwall.com/lists/oss-security/2016/09/19/8
- www.openwall.com[oss-security] 20160920 Re: CVE Request Qemu: usb: xhci memory leakage during device unplughttp://www.openwall.com/lists/oss-security/2016/09/20/3
- security.gentoo.orgGLSA-201611-11https://security.gentoo.org/glsa/201611-11
- www.securityfocus.com93029http://www.securityfocus.com/bid/93029
- access.redhat.comRHSA-2017:2392https://access.redhat.com/errata/RHSA-2017:2392
- 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=b53dd4495ced2432a0b652ea895e651d07336f7e
- lists.gnu.org[qemu-devel] 20160913 [PATCH v2] usb:xhci:fix memory leak in usb_xhci_exithttps://lists.gnu.org/archive/html/qemu-devel/2016-09/msg02773.html
- access.redhat.comRHSA-2017:2408https://access.redhat.com/errata/RHSA-2017:2408
07 Fixed in
Debian 12
- qemu Fixed in 1:2.7+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- qemu Fixed in 1:2.7+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- qemu Fixed in 1:2.7+dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- qemu Fixed in 1:2.5+dfsg-5ubuntu10.6
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. 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.