CVE-2016-7155
Published: December 10, 2016Last modified: November 9, 2023
Description
hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (out-of-bounds access or infinite loop, and QEMU process crash) via a crafted page count for descriptor rings.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 4.4 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | HIGH |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | qemu | Not affected (7.1.0-r4) |
| Stream | qemu | Not affected (8.1.2-r0) |
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=7f61f4690dd153be98900a2a508b88989e692753
- http://www.openwall.com/lists/oss-security/2016/09/06/2
- http://www.openwall.com/lists/oss-security/2016/09/07/1
- http://www.securityfocus.com/bid/92772
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
- https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg00050.html