CVE-2016-9776
Ubuntu Security Notice USN-3261-1
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
QEMU (aka Quick Emulator) built with the ColdFire Fast Ethernet Controller emulator support is vulnerable to an infinite loop issue. It could occur while receiving packets in 'mcf_fec_receive'. A privileged user/process inside guest could use this issue to crash the QEMU process on the host leading to DoS.
QEMU (también conocido como Quick Emulator) construido con el soporte de emulador ColdFire Fast Ethernet Controller es vulnerable a un problema de bucle infinito. Podría ocurrir mientras se reciben paquetes en 'mcf_fec_receive'. Un usuario/proceso privilegiado dentro de huésped podría utilizar este problema para bloquear el proceso QEMU en el host conduciendo a DoS.
Zhenhao Hong discovered that QEMU incorrectly handled the Virtio GPU device. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 16.10. Li Qiang discovered that QEMU incorrectly handled the 6300esb watchdog. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. Various other issues were also addressed.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2016-12-02 CVE Reserved
- 2016-12-29 CVE Published
- 2024-08-06 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2016/12/02/3 | Mailing List |
|
| http://www.openwall.com/lists/oss-security/2016/12/02/8 | Mailing List |
|
| http://www.securityfocus.com/bid/94638 | Third Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1400829 | Issue Tracking | |
| 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/2016-11/msg05324.html | 2020-11-10 |
| URL | Date | SRC |
|---|---|---|
| https://security.gentoo.org/glsa/201701-49 | 2020-11-10 |
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" | <= 2.7.1 Search vendor "Qemu" for product "Qemu" and version " <= 2.7.1" | - |
Affected
| ||||||
| Qemu Search vendor "Qemu" | Qemu Search vendor "Qemu" for product "Qemu" | 2.8.0 Search vendor "Qemu" for product "Qemu" and version "2.8.0" | rc0 |
Affected
| ||||||
| Qemu Search vendor "Qemu" | Qemu Search vendor "Qemu" for product "Qemu" | 2.8.0 Search vendor "Qemu" for product "Qemu" and version "2.8.0" | rc1 |
Affected
| ||||||
| Qemu Search vendor "Qemu" | Qemu Search vendor "Qemu" for product "Qemu" | 2.8.0 Search vendor "Qemu" for product "Qemu" and version "2.8.0" | 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
| ||||||