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virtuozzoVirtuozzoVZA-2023-043
HistoryDec 19, 2023 - 12:00 a.m.

[Important] [Security] Virtuozzo ReadyKernel Patch 165.1 for Virtuozzo Hybrid Server 7.5

2023-12-1900:00:00
docs.virtuozzo.com
12
virtuozzo readykernel
patch 165.1
security fixes
virtuozzo hybrid server 7.5
vulnerability id
vstor-78331
cve-2023-45871
3.10.0-1160.53.1.vz7.185.3
3.10.0-1160.90.1.vz7.200.7
ext4/mfsync
igb driver
buffer size

7.5 High

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.1 High

AI Score

Confidence

Low

4.3 Medium

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

18.6%

The cumulative Virtuozzo ReadyKernel patch was updated with security fixes. The patch applies to all supported kernels of Virtuozzo Hybrid Server 7.5.
Vulnerability id: VSTOR-78331
[3.10.0-1160.53.1.vz7.185.3 to 3.10.0-1160.90.1.vz7.200.7] ext4/mfsync: A BUG_ON occurred if a wrong set of files was provided.

Vulnerability id: CVE-2023-45871
[3.10.0-1160.53.1.vz7.185.3 to 3.10.0-1160.90.1.vz7.200.7] An issue in the IGB driver caused a buffer size to be inadequate for frames larger than the MTU.

7.5 High

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.1 High

AI Score

Confidence

Low

4.3 Medium

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

18.6%