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ubuntucveUbuntu.comUB:CVE-2022-0492
HistoryFeb 08, 2022 - 12:00 a.m.

CVE-2022-0492

2022-02-0800:00:00
ubuntu.com
ubuntu.com
170
linux
kernel
vulnerability
cgroup
privilege escalation
namespace isolation

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%

A vulnerability was found in the Linux kernel’s cgroup_release_agent_write
in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain
circumstances, allows the use of the cgroups v1 release_agent feature to
escalate privileges and bypass the namespace isolation unexpectedly.

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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%