CVE-2022-32250

Public Exploit

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.68% Top 20%
Vendor Advisory debian.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.openwall.com/lists/oss-security/2022/05/31/1 mailing list patch exploit 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
http://www.openwall.com/lists/oss-security/2022/06/03/1 mailing list patch exploit third party advisory
http://www.openwall.com/lists/oss-security/2022/06/04/1 mailing list third party advisory patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MO6Y3TC4WUUNKRP7OQA26OVTZTPCS6F2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UIZTJOJCVVEJVOQSCHE6IJQKMPISHQ5L/
https://www.debian.org/security/2022/dsa-5161 third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2092427 issue tracking third party advisory
http://www.openwall.com/lists/oss-security/2022/06/20/1 third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html third party advisory mailing list
http://www.openwall.com/lists/oss-security/2022/07/03/6 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2022/07/03/5 third party advisory mailing list
https://www.debian.org/security/2022/dsa-5173 third party advisory vendor advisory
https://security.netapp.com/advisory/ntap-20220715-0005/ third party advisory
http://www.openwall.com/lists/oss-security/2022/08/25/1 mailing list third party advisory patch
https://blog.theori.io/research/CVE-2022-32250-linux-kernel-lpe-2022/ third party advisory exploit
https://github.com/theori-io/CVE-2022-32250-exploit third party advisory exploit
http://www.openwall.com/lists/oss-security/2022/09/02/9 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2022-32250?
CVE-2022-32250 has been scored as a high severity vulnerability.
How to fix CVE-2022-32250?
To fix CVE-2022-32250, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-32250 being actively exploited in the wild?
It is possible that CVE-2022-32250 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.