CVE-2022-24122

Severity CVSS v4.0:

Pending analysis

Type:

CWE-416 Use After Free

Publication date:

29/01/2022

Last modified:

28/12/2023

Description

kernel/ucount.c in the Linux kernel 5.14 through 5.16.4, when unprivileged user namespaces are enabled, allows a use-after-free and privilege escalation because a ucounts object can outlive its namespace.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.80

Severity 3.x

HIGH

Vector 2.0

AV:L/AC:M/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 6.90 MEDIUM
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0

6.90

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	5.14 (including)	5.15.19 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	5.16.5 (excluding)
cpe:2.3:o:netapp:h410c_firmware:-:::::::*
cpe:2.3:h:netapp:h410c:-:::::::*
cpe:2.3:o:netapp:h300s_firmware:-:::::::*
cpe:2.3:h:netapp:h300s:-:::::::*
cpe:2.3:o:netapp:h500s_firmware:-:::::::*
cpe:2.3:h:netapp:h500s:-:::::::*
cpe:2.3:o:netapp:h700s_firmware:-:::::::*
cpe:2.3:h:netapp:h700s:-:::::::*
cpe:2.3:o:netapp:h300e_firmware:-:::::::*
cpe:2.3:h:netapp:h300e:-:::::::*
cpe:2.3:o:netapp:h500e_firmware:-:::::::*
cpe:2.3:h:netapp:h500e:-:::::::*
cpe:2.3:o:netapp:h700e_firmware:-:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	5.14 (including)	5.15.19 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	5.16.5 (excluding)
cpe:2.3:o:netapp:h410c_firmware:-:::::::*
cpe:2.3:h:netapp:h410c:-:::::::*
cpe:2.3:o:netapp:h300s_firmware:-:::::::*
cpe:2.3:h:netapp:h300s:-:::::::*
cpe:2.3:o:netapp:h500s_firmware:-:::::::*
cpe:2.3:h:netapp:h500s:-:::::::*
cpe:2.3:o:netapp:h700s_firmware:-:::::::*
cpe:2.3:h:netapp:h700s:-:::::::*
cpe:2.3:o:netapp:h300e_firmware:-:::::::*
cpe:2.3:h:netapp:h300e:-:::::::*
cpe:2.3:o:netapp:h500e_firmware:-:::::::*
cpe:2.3:h:netapp:h500e:-:::::::*
cpe:2.3:o:netapp:h700e_firmware:-:::::::*

CVE-2022-24122

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools