CVE-2022-32250

7.8 high exploit ×8 Modified

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.

Fix

Public exploits 8

Decstor5/2022-32250LPE PoC on GitHub
Kristal-g/CVE-2022-32250 PoC on GitHub
KuanKuanQAQ/cve-testing PoC on GitHub
Noidolosity/CVE-2022-32250 PoC on GitHub
rem0t3/CVE-2022-32250-Compiled PoC on GitHub
seadragnol/CVE-2022-32250 PoC on GitHub
theori-io/CVE-2022-32250-exploit PoC on GitHub
ysanatomic/CVE-2022-32250-LPE PoC on GitHub

Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.

Patch, vendor advisory and mitigation references on NVD 10

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/2022/08/25/1 Mailing List, Patch, 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://www.openwall.com/lists/oss-security/2022/05/31/1 Exploit, Mailing List, Patch, Third Party Advisory
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/2022/08/25/1 Mailing List, Patch, 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://www.openwall.com/lists/oss-security/2022/05/31/1 Exploit, Mailing List, Patch, Third Party Advisory

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

2026-10-15 00:45First seenCVSS 7.8 · linux, fedoraproject, debianNVD modified 2026-10-14 17:17

Affected (CPE criteria) 10

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*

References 37

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%40lists.fedoraproject.org/message/MO6Y3TC4WUUNKRP7OQA26OVTZTPCS6F2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UIZTJOJCVVEJVOQSCHE6IJQKMPISHQ5L/
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
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%40lists.fedoraproject.org/message/MO6Y3TC4WUUNKRP7OQA26OVTZTPCS6F2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UIZTJOJCVVEJVOQSCHE6IJQKMPISHQ5L/
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
https://cert-portal.siemens.com/productcert/html/ssa-794697.html