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cve[email protected]CVE-2016-7907
HistoryOct 05, 2016 - 4:59 p.m.

CVE-2016-7907

2016-10-0516:59:10
CWE-399
CWE-20
[email protected]
web.nvd.nist.gov
52
cve-2016-7907
qemu
denial of service
buffer descriptor
nvd
security issue

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

5.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

26.9%

JSON

The imx_fec_do_tx function in hw/net/imx_fec.c in QEMU (aka Quick Emulator) does not properly limit the buffer descriptor count when transmitting packets, which allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via vectors involving a buffer descriptor with a length of 0 and crafted values in bd.flags.

Affected configurations

NVD
Node
qemuqemuRange≤2.8.1.1
OR
qemuqemuMatch2.9.0rc0
OR
qemuqemuMatch2.9.0rc1
OR
qemuqemuMatch2.9.0rc2
OR
qemuqemuMatch2.9.0rc3
OR
qemuqemuMatch2.9.0rc4
OR
qemuqemuMatch2.9.0rc5
CPENameOperatorVersion
qemu:qemuqemule2.8.1.1
qemu:qemuqemueq2.9.0

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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

5.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

26.9%

JSON
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