High 7.5Published Jul 26, 2022

CVE-2022-36946nfqnl_mangle in net/netfilter/nfnetlink_queue.c in the Linux kernel through 5.18.14 allows remote attackers to cause a denial of service (panic) because, in the case of an nf_queue verdict with a one…

Updated under an hour ago (Oct 26, 2026, 6:23 PM ET)

Does this affect you?

It affects Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem and 8 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem

Exploited in the last 30 days

nfqnl_mangle in net/netfilter/nfnetlink_queue.c in the Linux kernel through 5.18.14 allows remote attackers to cause a denial of service (panic) because, in the case of an nf_queue verdict with a one-byte nfta_payload attribute, an skb_pull can encounter a negative skb->len.

CVSS: 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: mitre
NVD analysis: Modified
Record last updated: Oct 14, 2026
First seen by InfoSec Signals: Oct 14, 2026

Affected products

Affected products

Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem siemens:simatic_s7_1500_tm_mfp_gnu_linux_subsystem (from the name)	before V1.1	CISA ADP
Siemens SINAMICS PERFECT HARMONY GH180 siemens:sinamics_perfect_harmony_gh180 (from the name)	all versions	CISA ADP
linux linux_kernel linux:linux_kernel	from 2.6.14 before 4.9.326; from 4.10 before 4.14.291; from 4.15 before 4.19.255; from 4.20 before 5.4.209; from 5.5 before 5.10.135; from 5.11 before 5.15.59; from 5.16 before 5.18.16	NVD
debian debian_linux debian:debian_linux	10.0; 11.0	NVD
netapp active_iq_unified_manager netapp:active_iq_unified_manager	all versions	NVD
netapp solidfire_&_hci_management_node netapp:solidfire_&_hci_management_node	all versions	NVD
netapp solidfire_&_hci_storage_node netapp:solidfire_&_hci_storage_node	all versions	NVD
netapp solidfire_enterprise_sds netapp:solidfire_enterprise_sds	all versions	NVD
netapp hci_compute_node netapp:hci_compute_node	all versions	NVD

References

References

https://marc.info/?l=netfilter-devel&m=165883202007292&w=2	mailing-list, patch, third-party-advisory
https://www.debian.org/security/2022/dsa-5207	vendor-advisory, third-party-advisory
https://security.netapp.com/advisory/ntap-20220901-0007/	third-party-advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00011.html	mailing-list, third-party-advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html	mailing-list, third-party-advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99a63d36cb3ed5ca3aa6fcb64cffbeaf3b0fb164
https://cert-portal.siemens.com/productcert/html/ssa-419740.html
https://cert-portal.siemens.com/productcert/html/ssa-561322.html
https://cert-portal.siemens.com/productcert/html/ssa-794697.html
https://cert-portal.siemens.com/productcert/html/ssa-942865.html

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.