CVE-2016-6833
Severity Score
4.4
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Use-after-free vulnerability in the vmxnet3_io_bar0_write function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU instance crash) by leveraging failure to check if the device is active.
Vulnerabilidad de uso después de liberación de memoria en la función vmxnet3_io_bar0_write en hw/net/vmxnet3.c en QEMU (también conocido como Quick Emulator) permite a administradores locales del SO invitado provocar una denegación de servicio (caída de la instancia QEMU) aprovechando el fallo para comprobar si el dispositivo está activo.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2016-08-17 CVE Reserved
- 2016-09-26 CVE Published
- 2023-03-08 EPSS Updated
- 2024-08-06 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-416: Use After Free
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=6c352ca9b4ee3e1e286ea9e8434bd8e69ac7d0d8 | X_refsource_confirm | |
| http://www.openwall.com/lists/oss-security/2016/08/12/1 | Mailing List |
|
| http://www.openwall.com/lists/oss-security/2016/08/18/3 | Mailing List |
|
| http://www.securityfocus.com/bid/93255 | Third Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html | Mailing List |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg01602.html | 2023-02-12 |
| URL | Date | SRC |
|---|---|---|
| https://security.gentoo.org/glsa/201609-01 | 2023-02-12 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Qemu Search vendor "Qemu" | Qemu Search vendor "Qemu" for product "Qemu" | <= 2.6.2 Search vendor "Qemu" for product "Qemu" and version " <= 2.6.2" | - |
Affected
| ||||||
| Qemu Search vendor "Qemu" | Qemu Search vendor "Qemu" for product "Qemu" | 2.7.0 Search vendor "Qemu" for product "Qemu" and version "2.7.0" | rc0 |
Affected
| ||||||
| Qemu Search vendor "Qemu" | Qemu Search vendor "Qemu" for product "Qemu" | 2.7.0 Search vendor "Qemu" for product "Qemu" and version "2.7.0" | rc1 |
Affected
| ||||||
| Qemu Search vendor "Qemu" | Qemu Search vendor "Qemu" for product "Qemu" | 2.7.0 Search vendor "Qemu" for product "Qemu" and version "2.7.0" | rc2 |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0" | - |
Affected
| ||||||