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redosRedosROS-20220125-18
HistoryJan 25, 2022 - 12:00 a.m.

ROS-20220125-18

2022-01-2500:00:00
redos.red-soft.ru
16
xen hypervisor
vulnerability
incorrect configuration
data structure release
remote attacker
denial of service
privilege escalation

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.6

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

64.6%

A vulnerability in the Xen hypervisor is related to the incorrect configuration of a number of devices and the incorrect
data structure release, including I/O page tables. Exploitation of the vulnerability could
allow an attacker acting remotely to cause a denial of service and other issues, possibly
including privilege escalation

OSVersionArchitecturePackageVersionFilename
redos7.3x86_64xen< 4.13.2-4UNKNOWN

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.6

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

64.6%