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virtuozzoVirtuozzoVZA-2023-040
HistoryNov 28, 2023 - 12:00 a.m.

[Important] [Security] Virtuozzo ReadyKernel Patch 164.1 for Virtuozzo Hybrid Server 7.5

2023-11-2800:00:00
docs.virtuozzo.com
10
virtuozzo readykernel
patch 164.1
security fixes
use-after-free vulnerability
nftables
virtuozzo hybrid server 7.5
supported kernels

7.8 High

CVSS3

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

7.4 High

AI Score

Confidence

Low

4.3 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

5.3%

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: CVE-2023-32233
[3.10.0-1160.53.1.vz7.185.3 to 3.10.0-1160.90.1.vz7.200.7] Fixed a use-after-free vulnerability that occurred if modifying and deleting an anonymous set in the same nftables transaction.

7.8 High

CVSS3

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

7.4 High

AI Score

Confidence

Low

4.3 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

5.3%