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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2018-7858
HistoryMar 12, 2018 - 9:29 p.m.

CVE-2018-7858

2018-03-1221:29:01
Debian Security Bug Tracker
security-tracker.debian.org
13

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

26.7%

JSON

Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.

OSVersionArchitecturePackageVersionFilename
Debian12allqemu< 1:2.12~rc3+dfsg-1qemu_1:2.12~rc3+dfsg-1_all.deb
Debian11allqemu< 1:2.12~rc3+dfsg-1qemu_1:2.12~rc3+dfsg-1_all.deb
Debian999allqemu< 1:2.12~rc3+dfsg-1qemu_1:2.12~rc3+dfsg-1_all.deb
Debian13allqemu< 1:2.12~rc3+dfsg-1qemu_1:2.12~rc3+dfsg-1_all.deb

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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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

26.7%

JSON
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