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cve[email protected]CVE-2016-7421
HistoryDec 10, 2016 - 12:59 a.m.

CVE-2016-7421

2016-12-1000:59:17
CWE-834
[email protected]
web.nvd.nist.gov
50
4
cve-2016-7421
denial of service
qemu
security vulnerability

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P

4.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

5.9 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

26.8%

JSON

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.

Affected configurations

NVD
Node
qemuqemuRange≤2.7.1
Node
debiandebian_linuxMatch8.0
CPENameOperatorVersion
qemu:qemuqemule2.7.1

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2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P

4.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

5.9 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

26.8%

JSON
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