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virtuozzoVirtuozzoVZA-2017-001
HistoryJan 18, 2017 - 12:00 a.m.

Important kernel security update: vulnerability fix for CVE-2015-8539, new kernel 2.6.32-042stab120.18; Virtuozzo 6.0 Update 12 Hotfix 1 (6.0.12-3656)

2017-01-1800:00:00
help.virtuozzo.com
29

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

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

0.0004 Low

EPSS

Percentile

10.1%

This update provides a new Virtuozzo 6.0 kernel 2.6.32-042stab120.18 based on the Red Hat Enterprise Linux 6.8 kernel 2.6.32-642.6.1.el6. The new kernel provides security and stability fixes.
Vulnerability id: CVE-2015-8539
Fixed handling of stored error in a negatively instantiated user key. Key management subsystems could be abused to escalate privileges through memory corruption. All kernels were affected.

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

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

0.0004 Low

EPSS

Percentile

10.1%