CVE-2017-8309
Publication date 3 May 2017
Last updated 25 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
Memory leak in the audio/audio.c in QEMU (aka Quick Emulator) allows remote attackers to cause a denial of service (memory consumption) by repeatedly starting and stopping audio capture.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| qemu | ||
| 20.04 LTS focal | 
                              
                               
                                Fixed 1:2.8+dfsg-3ubuntu3 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 18.04 LTS bionic | 
                              
                               
                                Fixed 1:2.8+dfsg-3ubuntu3 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 16.04 LTS xenial | 
                              
                               
                                Fixed 1:2.5+dfsg-5ubuntu10.14 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 14.04 LTS trusty | 
                              
                               
                                Fixed 2.0.0+dfsg-2ubuntu1.34 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| qemu-kvm | ||
| 20.04 LTS focal | Not in release | |
| 18.04 LTS bionic | Not in release | |
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release | |
Patch details
| Package | Patch details | 
|---|---|
| qemu | 
Severity score breakdown
| Parameter | Value | 
|---|---|
| Base score | 
                      
                      
                         | 
                  
| Attack vector | Network | 
| Attack complexity | Low | 
| Privileges required | None | 
| User interaction | None | 
| Scope | Unchanged | 
| Confidentiality | None | 
| Integrity impact | None | 
| Availability impact | High | 
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | 
References
Related Ubuntu Security Notices (USN)
- USN-3289-1
 - QEMU vulnerabilities
 - 16 May 2017