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virtuozzoVirtuozzoVZA-2018-089
HistoryDec 24, 2018 - 12:00 a.m.

Important kernel security update: Virtuozzo ReadyKernel patch 69.0 for Virtuozzo 7.0.4 HF3 to 7.0.8 HF1

2018-12-2400:00:00
help.virtuozzo.com
28

8 High

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.7 Medium

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

COMPLETE

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

0.001 Low

EPSS

Percentile

27.0%

JSON

The cumulative Virtuozzo ReadyKernel patch was updated with a security fix. The patch applies to all supported Virtuozzo kernels.
Vulnerability id: CVE-2018-16884
A flaw was found in the implementation of NFS v4.1 in the Linux kernel. NFS v4.1 shares mounted in different network namespaces at the same time can make bc_svc_process() use wrong back-channel ID and cause a use-after-free. A malicious user in a container can exploit this to cause a host kernel memory corruption and a system crash.

OSVersionArchitecturePackageVersionFilename
Virtuozzo7.0x86_64readykernel-patch-30.15< 69.0-1.vl7readykernel-patch-30.15-69.0-1.vl7.x86_64.rpm
Virtuozzo7.0x86_64readykernel-patch-33.22< 69.0-1.vl7readykernel-patch-33.22-69.0-1.vl7.x86_64.rpm
Virtuozzo7.0x86_64readykernel-patch-37.30< 69.0-1.vl7readykernel-patch-37.30-69.0-1.vl7.x86_64.rpm
Virtuozzo7.0x86_64readykernel-patch-40.4< 69.0-1.vl7readykernel-patch-40.4-69.0-1.vl7.x86_64.rpm
Virtuozzo7.0x86_64readykernel-patch-43.10< 69.0-1.vl7readykernel-patch-43.10-69.0-1.vl7.x86_64.rpm
Virtuozzo7.0x86_64readykernel-patch-46.7< 69.0-1.vl7readykernel-patch-46.7-69.0-1.vl7.x86_64.rpm
Virtuozzo7.0x86_64readykernel-patch-48.2< 69.0-1.vl7readykernel-patch-48.2-69.0-1.vl7.x86_64.rpm
Virtuozzo7.0x86_64readykernel-patch-63.3< 69.0-1.vl7readykernel-patch-63.3-69.0-1.vl7.x86_64.rpm
Virtuozzo7.0x86_64readykernel-patch-64.7< 69.0-1.vl7readykernel-patch-64.7-69.0-1.vl7.x86_64.rpm

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8 High

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.7 Medium

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

COMPLETE

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

0.001 Low

EPSS

Percentile

27.0%

JSON
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