CVE-2016-7995
Published: August 31, 2023Last modified: August 31, 2023
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 of crafted buffer page select (PG) indexes.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | HIGH |
| User interaction | NONE |
| Scope | CHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/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 (8.0.4-r0) |
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=b16c129daf0fed91febbb88de23dae8271c8898a
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
- http://www.openwall.com/lists/oss-security/2016/10/07/3
- http://www.openwall.com/lists/oss-security/2016/10/08/4
- http://www.securityfocus.com/bid/93454
- https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg06609.html