CVE-2022-32250

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Summary

CVECVE-2022-32250
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-06-02 21:15:07 UTC
Updated2026-10-14 17:17:40 UTC
Descriptionnet/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.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

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

Problem Types: CWE-416 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected V1.1 custom Not specified

References

ReferenceSourceLinkTags
oss-security - Re: Linux Kernel use-after-free write in netfilter af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Patch, Third Party Advisory
oss-security - Re: Linux kernel: Netfilter heap buffer overflow: Is this CVE-2022-32250? af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
Linux Kernel Exploit (CVE-2022-32250) with mqueue | Theori af854a3a-2127-422b-91ae-364da2661108 blog.theori.io Exploit, Third Party Advisory
oss-security - Linux kernel: Netfilter heap buffer overflow: Is this CVE-2022-32250? af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
oss-security - Re: Linux Kernel use-after-free write in netfilter af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Patch, Third Party Advisory
oss-security - Re: Linux Kernel use-after-free write in netfilter af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Exploit, Mailing List, Patch, Third Party Advisory
[SECURITY] Fedora 35 Update: kernel-5.17.13-200.fc35 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
GitHub - theori-io/CVE-2022-32250-exploit af854a3a-2127-422b-91ae-364da2661108 github.com Exploit, Third Party Advisory
kernel/git/netdev/net.git - Netdev Group's networking tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Mailing List, Patch, Vendor Advisory
CVE-2022-32250 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com Third Party Advisory
[SECURITY] [DLA 3065-1] linux security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
oss-security - Re: Linux Kernel use-after-free write in netfilter af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
Debian -- Security Information -- DSA-5161-1 linux af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
2092427 – (CVE-2022-1966) CVE-2022-1966 kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Third Party Advisory
[SECURITY] Fedora 36 Update: kernel-5.17.13-300.fc36 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
oss-security - Re: Linux Kernel use-after-free write in netfilter af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
cert-portal.siemens.com/productcert/html/ssa-794697.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
oss-security - Linux Kernel use-after-free write in netfilter af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Exploit, Mailing List, Patch, Third Party Advisory
Debian -- Security Information -- DSA-5173-1 linux af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
[SECURITY] Fedora 36 Update: kernel-5.17.13-300.fc36 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 35 Update: kernel-5.17.13-200.fc35 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 160012 Oracle Enterprise Linux Security Update for unbreakable enterprise kernel (ELSA-2022-9667)
  • 160028 Oracle Enterprise Linux Security Update for kernel (ELSA-2022-5819)
  • 180282 Debian Security Update for linux (DLA 3065-1)
  • 180605 Debian Security Update for linux (DSA 5173-1)
  • 183416 Debian Security Update for linux (CVE-2022-32250)
  • 240544 Red Hat Update for kernel-rt (RHSA-2022:5633)
  • 240545 Red Hat Update for kernel (RHSA-2022:5626)
  • 240550 Red Hat Update for kpatch-patch (RHSA-2022:5641)
  • 240581 Red Hat Update for kernel-rt (RHSA-2022:5834)
  • 240584 Red Hat Update for kpatch-patch (RHSA-2022:5839)
  • 240594 Red Hat Update for kernel (RHSA-2022:5819)
  • 257172 CentOS Security Update for kernel (CESA-2022:5232)
  • 353976 Amazon Linux Security Advisory for kernel : ALAS-2022-1604
  • 353985 Amazon Linux Security Advisory for kernel : ALAS2-2022-1813
  • 353993 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2022-016
  • 353994 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-028
  • 354007 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2022-015
  • 354008 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-030
  • 354017 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-032
  • 354018 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.15-2022-003
  • 354022 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.15-2022-002
  • 354023 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2022-017
  • 354024 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.15-2022-004
  • 354270 Amazon Linux Security Advisory for kernel : ALAS2022-2022-114
  • 354468 Amazon Linux Security Advisory for kernel : ALAS2022-2022-185
  • 354542 Amazon Linux Security Advisory for kernel : ALAS-2022-185
  • 355199 Amazon Linux Security Advisory for kernel : ALAS2023-2023-070
  • 377026 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2022:0035)
  • 377110 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2022:0146)
  • 377117 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2022:0158)
  • 377871 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2023:0001)
  • 390264 Oracle VM Server for x86 Security Update for kernel (OVMSA-2022-0021)
  • 6140393 AWS Bottlerocket Security Update for kernel (GHSA-mjp2-3qxw-rgg7)
  • 672017 EulerOS Security Update for kernel (EulerOS-SA-2022-2244)
  • 672045 EulerOS Security Update for kernel (EulerOS-SA-2022-2225)
  • 672086 EulerOS Security Update for kernel (EulerOS-SA-2022-2321)
  • 672139 EulerOS Security Update for kernel (EulerOS-SA-2022-2428)
  • 752502 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2875-1)
  • 752594 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3293-1)
  • 752632 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3450-1)
  • 753063 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4617-1)
  • 753091 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2172-1)
  • 753135 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2722-1)
  • 753153 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 13 for SLE 15 SP3) (SUSE-SU-2022:2239-1)
  • 753156 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2741-1)
  • 753169 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 26 for SLE 15 SP2) (SUSE-SU-2022:2230-1)
  • 753243 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 14 for SLE 15 SP3) (SUSE-SU-2022:2216-1)
  • 753253 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 15 for SLE 15 SP3) (SUSE-SU-2022:2245-1)
  • 753296 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2177-1)
  • 753330 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 0 for SLE 15 SP4) (SUSE-SU-2022:2268-1)
  • 753353 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 17 for SLE 15 SP3) (SUSE-SU-2022:2262-1)
  • 753486 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 19 for SLE 15 SP3) (SUSE-SU-2022:2214-1)
  • 902155 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9873)
  • 902158 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9879)
  • 902277 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9879-1)
  • 902483 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9873-1)
  • 906019 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9873-2)
  • 906353 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9879-2)
  • 940602 AlmaLinux Security Update for kernel-rt (ALSA-2022:5834)
  • 940612 AlmaLinux Security Update for kernel (ALSA-2022:5819)
  • 960162 Rocky Linux Security Update for kernel-rt (RLSA-2022:5834)
  • 960164 Rocky Linux Security Update for kernel (RLSA-2022:5819)

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