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cve[email protected]CVE-2016-8578
HistoryNov 04, 2016 - 9:59 p.m.

CVE-2016-8578

2016-11-0421:59:02
web.nvd.nist.gov
61
qemu
v9fs_iov_vunmarshal
denial of service
cve-2016-8578
nvd

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

6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5.9 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

26.9%

The v9fs_iov_vunmarshal function in fsdev/9p-iov-marshal.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) by sending an empty string parameter to a 9P operation.

Affected configurations

NVD
Node
qemuqemuRange2.7.1
Node
opensuseleapMatch42.2
Node
debiandebian_linuxMatch8.0
CPENameOperatorVersion
qemu:qemuqemule2.7.1

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

6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5.9 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

26.9%