NVD

Id
21838  
Name
CVE-2016-7421  
Description
The pvscsi_ring_pop_req_descr function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit process IO loop to the ring size.  
Reject
 
CVSS Version
2  
CVSS Score
2.1  
Severity
Low  
CVSS Base Score
2.1  
CVSS Impact Subscore
2.9  
CVSS Exploit Subscore
3.9  
CVSS Vector
(AV:L/AC:L/Au:N/C:N/I:N/A:P)  
Pub Date
2017-01-19  
Published
2016-12-09  
Modified Date
2016-12-12  
Seq
2016-7421  

Actions

Related NVD References

Id NVD Id NVD No. Reference Actions
117104 21838 CVE-2016-7421 http://git.qemu.org/?p=qemu.git;a=commit;h=d251157ac1928191af851d199a9ff255d330bec9  View
117105 21838 CVE-2016-7421 [oss-security] 20160916 CVE Request: Qemu: scsi: pvscsi: infinite loop when processing IO requests  View
117106 21838 CVE-2016-7421 [oss-security] 20160916 Re: CVE Request: Qemu: scsi: pvscsi: infinite loop when processing IO requests  View
117107 21838 CVE-2016-7421 92998  View
117108 21838 CVE-2016-7421 [qemu-devel] 20160915 [PULL 07/17] scsi: pvscsi: limit process IO loop to ring size  View

Related JVN

Id Name Title Summary Cveinfo Name Cveinfo Id Nvdinfo Name Nvdinfo Id Cvssv2 Cvssv3 Jvnurl Published Date Last Updated Date Actions
5375 JVNDB-2016-006148 QEMU の hw/scsi/vmw_pvscsi.c の pvscsi_ring_pop_req_descr 関数におけるサービス運用妨害 (DoS) の脆弱性 QEMU (別名 Quick Emulator) の hw/scsi/vmw_pvscsi.c の pvscsi_ring_pop_req_descr 関数には、サービス運用妨害 (無限ループおよび QEMU プロセスクラッシュ) 状態にされる脆弱性が存在します。 CVE-2016-7421 93928 CVE-2016-7421 21838 2.1 4.4 http://jvndb.jvn.jp/ja/contents/2016/JVNDB-2016-006148.html 2016-09-15 2016-12-13 View