CVE-2022-32250

CVSS V2 High 7.2 CVSS V3 High 7.8

Description

net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFT_STATEFUL_EXPR check leads to a use-after-free.

Overview

CVE ID
CVE-2022-32250

Assigner
cve@mitre.org

Vulnerability Status
Undergoing Analysis

Published Version
2022-06-02T21:15:07

Last Modified Date
2022-09-09T20:39:06

Weakness Enumerations

CWE	URL
CWE-416	http://cwe.mitre.org/data/definitions/416.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version End
		AND
cpe:2.3:o:linux:linux_kernel::::::::	1	OR	5.18.1
		AND
cpe:2.3:o:fedoraproject:fedora:35:::::::*	1	OR
cpe:2.3:o:fedoraproject:fedora:36:::::::*	1	OR
		AND
cpe:2.3:o:debian:debian_linux:9.0:::::::*	1	OR
cpe:2.3:o:debian:debian_linux:10.0:::::::*	1	OR
		AND
cpe:2.3:o:netapp:h300s_firmware:-:::::::*	1	OR
cpe:2.3:h:netapp:h300s:-:::::::*	0	OR
		AND
cpe:2.3:o:netapp:h500s_firmware:-:::::::*	1	OR
cpe:2.3:h:netapp:h500s:-:::::::*	0	OR
		AND
cpe:2.3:o:netapp:h700s_firmware:-:::::::*	1	OR
cpe:2.3:h:netapp:h700s:-:::::::*	0	OR
		AND
cpe:2.3:o:netapp:h410s_firmware:-:::::::*	1	OR
cpe:2.3:h:netapp:h410s:-:::::::*	0	OR
		AND
cpe:2.3:o:netapp:h410c_firmware:-:::::::*	1	OR
cpe:2.3:h:netapp:h410c:-:::::::*	0	OR

CVSS Version 2

Version
2.0

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

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
7.2

Severity
HIGH

Exploitability Score
3.9

Impact Score
10

CVSS Version 3

Version
3.1

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

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.8

Base Severity
HIGH

Exploitability Score
1.8

Impact Score
5.9

References

Reference URL	Reference Tags
http://www.openwall.com/lists/oss-security/2022/06/03/1	Exploit Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/06/04/1	Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/06/20/1	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/07/03/5	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/07/03/6	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/08/25/1	Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/09/02/9	Mailing List Third Party Advisory
https://blog.theori.io/research/CVE-2022-32250-linux-kernel-lpe-2022/	Exploit Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2092427	Issue Tracking Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/net/netfilter?id=520778042ccca019f3ffa136dd0ca565c486cedd	Mailing List Patch Vendor Advisory
https://github.com/theori-io/CVE-2022-32250-exploit	Exploit Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MO6Y3TC4WUUNKRP7OQA26OVTZTPCS6F2/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UIZTJOJCVVEJVOQSCHE6IJQKMPISHQ5L/	Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20220715-0005/	Third Party Advisory
https://www.debian.org/security/2022/dsa-5161	Third Party Advisory
https://www.debian.org/security/2022/dsa-5173	Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/05/31/1	Exploit Mailing List Patch Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2022-32250
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-32250

History

Created	Old Value	New Value	Data Type	Notes
2022-06-02 22:00:06				Added to TrackCVE
2023-04-12 15:14:02	Analyzed	Undergoing Analysis	Vulnerability Status	updated