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…
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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.
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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
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
- https://marc.info/?l=netfilter-devel&m=165883202007292&w=2mailing-list, patch, third-party-advisory
- https://www.debian.org/security/2022/dsa-5207vendor-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.htmlmailing-list, third-party-advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00000.htmlmailing-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.