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virtuozzoVirtuozzoVZA-2022-015
HistoryMay 25, 2022 - 12:00 a.m.

[Important] [Security] Virtuozzo ReadyKernel patch 142.0 for Virtuozzo Hybrid Server 7.0, 7.5

2022-05-2500:00:00
docs.virtuozzo.com
25
virtuozzo readykernel
patch 142.0
stability fixes
virtuozzo hybrid server 7.x
vulnerability
cve-2022-0492
privilege escalation
container security

CVSS2

6.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.095

Percentile

94.8%

JSON

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to all supported kernels of Virtuozzo Hybrid Server 7.x.
Vulnerability id: CVE-2022-0492
[3.10.0-1127.8.2.vz7.158.8 to 3.10.0-1160.53.1.vz7.185.3] Setting release_agent could potentially lead to privilege escalation from unprivileged users inside a container to the container root. It couldn’t be exploited to escape containers.

OSVersionArchitecturePackageVersionFilename
Virtuozzo Hybrid Server7.0x86_64readykernel-patch-158.8< 142.0-1.vl7readykernel-patch-158.8-142.0-1.vl7.x86_64.rpm
Virtuozzo Hybrid Server7.0x86_64readykernel-patch-163.46< 142.0-1.vl7readykernel-patch-163.46-142.0-1.vl7.x86_64.rpm
Virtuozzo Hybrid Server7.0x86_64readykernel-patch-174.13< 142.0-1.vl7readykernel-patch-174.13-142.0-1.vl7.x86_64.rpm
Virtuozzo Hybrid Server7.0x86_64readykernel-patch-183.5< 142.0-1.vl7readykernel-patch-183.5-142.0-1.vl7.x86_64.rpm
Virtuozzo Hybrid Server7.0x86_64readykernel-patch-185.3< 142.0-1.vl7readykernel-patch-185.3-142.0-1.vl7.x86_64.rpm
Virtuozzo Hybrid Server7.5x86_64readykernel-patch-158.8< 142.0-1.vl7readykernel-patch-158.8-142.0-1.vl7.x86_64.rpm
Virtuozzo Hybrid Server7.5x86_64readykernel-patch-163.46< 142.0-1.vl7readykernel-patch-163.46-142.0-1.vl7.x86_64.rpm
Virtuozzo Hybrid Server7.5x86_64readykernel-patch-174.13< 142.0-1.vl7readykernel-patch-174.13-142.0-1.vl7.x86_64.rpm
Virtuozzo Hybrid Server7.5x86_64readykernel-patch-183.5< 142.0-1.vl7readykernel-patch-183.5-142.0-1.vl7.x86_64.rpm
Virtuozzo Hybrid Server7.5x86_64readykernel-patch-185.3< 142.0-1.vl7readykernel-patch-185.3-142.0-1.vl7.x86_64.rpm

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CVSS2

6.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.095

Percentile

94.8%

JSON
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