CVE-2022-36946: Debian Linux

High severity, CVSS 7.5. EPSS: 7.6% chance of exploitation in the next 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.

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only
• Linux Linux Kernel: from 2.6.14, before 4.9.326 (fixed in 4.9.326); from 4.10, before 4.14.291 (fixed in 4.14.291); from 4.15, before 4.19.255 (fixed in 4.19.255); from 4.20, before 5.4.209 (fixed in 5.4.209); from 5.5, before 5.10.135 (fixed in 5.10.135); from 5.11, before 5.15.59 (fixed in 5.15.59); …
• Netapp Active Iq Unified Manager: affected versions not specified
• Netapp Hci Compute Node: affected versions not specified
• Netapp Solidfire & Hci Management Node: affected versions not specified
• Netapp Solidfire & Hci Storage Node: affected versions not specified
• Netapp Solidfire Enterprise Sds: affected versions not specified

Published 2022-07-27. Last modified 2026-06-17.