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ubuntucveUbuntu.comUB:CVE-2017-5579
HistoryMar 15, 2017 - 12:00 a.m.

CVE-2017-5579

2017-03-1500:00:00
ubuntu.com
ubuntu.com
12

6.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.001 Low

EPSS

Percentile

25.9%

Memory leak in the serial_exit_core function in hw/char/serial.c in QEMU
(aka Quick Emulator) allows local guest OS privileged users to cause a
denial of service (host memory consumption and QEMU process crash) via a
large number of device unplug operations.

Bugs

Notes

Author Note
tyhicks affected code is in hw/serial.c in qemu-kvm on 12.04. serial_init_core() allocates a number of things but there is no serial_exit_core() present.
OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchqemu< 2.0.0+dfsg-2ubuntu1.33UNKNOWN
ubuntu16.04noarchqemu< 1:2.5+dfsg-5ubuntu10.11UNKNOWN
ubuntu16.10noarchqemu< 1:2.6.1+dfsg-0ubuntu5.4UNKNOWN

6.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.001 Low

EPSS

Percentile

25.9%