CVE-2016-8909
What it is
The intel_hda_xfer function in hw/audio/intel-hda.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via an entry with the same value for buffer length and pointer position.
At a glance
- Exploitability
- Can be exploited locally on the machine with an admin-level account. High risk of service disruption.
- Exploit odds
- 0.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.4% in the next 30 days (EPSS).
- Severity: 6.0 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Weakness
- CWE-835
- Record status
- Modified
Affected
- Qemu ≤ 2.7.1
- Debian Linux 8.0
- Opensuse Leap 42.2
- Redhat Openstack 6.0
- Redhat Openstack 7.0
- Redhat Openstack 8
- Redhat Openstack 9
- Redhat Openstack 10
Attack profile CVSS 3.1 · 6.0
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
- Scope
- Changed
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2016-8909.md and follow it. Check whether this project is affected by CVE-2016-8909. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.openwall.com/lists/oss-security/2016/10/24/1
- https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg04682.html
- http://www.openwall.com/lists/oss-security/2016/10/24/1
- https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg04682.html
References
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
- http://www.openwall.com/lists/oss-security/2016/10/24/1
- http://www.openwall.com/lists/oss-security/2016/10/24/4
- http://www.securityfocus.com/bid/93842
- https://access.redhat.com/errata/RHSA-2017:2392
- https://access.redhat.com/errata/RHSA-2017:2408
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
- https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg04682.html
- https://security.gentoo.org/glsa/201611-11
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
- http://www.openwall.com/lists/oss-security/2016/10/24/1
- http://www.openwall.com/lists/oss-security/2016/10/24/4
- http://www.securityfocus.com/bid/93842
- https://access.redhat.com/errata/RHSA-2017:2392
- https://access.redhat.com/errata/RHSA-2017:2408
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
- https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg04682.html
- https://security.gentoo.org/glsa/201611-11